United Airlines
Star Alliance
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United States
O'Hare International Airport
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Scan through all non-stop flights from Houston to Chicago. The full flight schedule below gives an overview of all non-stop flights from IAH to ORD, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Known for its continental climate, Chicago features hot, humid summers with temperatures above 30°C (86°F) and cold, snowy winters that often drop below 0°C (32°F). This striking seasonal contrast offers travelers a variety of activities, from summer hiking to winter sports, ensuring year-round appeal.
The best time to visit Chicago is from March to November, covering spring, summer, and fall. While summer can be hot, it also sees slightly more rainfall than other seasons.

In total there are 4 airlines operating nonstop flights from Houston IAH to Chicago ORD. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their IAH ORD flight schedule.
Flights from IAH to ORD are operated 124 times a week, with an average of 18 flights per day. Departure times vary between 05:00 - 22:45. The earliest flight departs at 05:00, the last flight departs at 22:45. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Houston to Chicago takes 2 hours and 48 minutes. The flight distance between Houston and Chicago is 925 miles (or 1,489 km).
There are 2 airports in Chicago: O'Hare International Airport (ORD) and Midway International Airport (MDW).
There are 124 flights per week flying from Houston to Chicago (as of April 2026).
2 hours and 48 minutes is the average flight time from Houston to Chicago.
The distance from Houston to Chicago is 925 miles (1,489 kilometers).
American Airlines, Frontier Airlines, Spirit Airlines and United Airlines are flying nonstop from Houston to Chicago.
Oneworld and Star Alliance are flying nonstop from Houston to Chicago.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Houston to Chicago:
The earliest flight departs at 05:00 from Houston and arrives at 07:45 at Chicago.
The latest flight departs at 22:45 from Houston and arrives at 01:26 at Chicago.
925 miles (1,489 km) · 2h 48m
05:00
07:45
United Airlines
Star Alliance
UA 1994
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United Airlines
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UA 1994
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United Airlines
Star Alliance
UA 1994
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Boeing 737 MAX 9
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United Airlines
Star Alliance
UA 1994
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Boeing 737-900
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United Airlines
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UA 1994
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United Airlines
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UA 1994
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United Airlines
Star Alliance
UA 1994
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Boeing 737-900
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United Airlines
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UA 1994
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United Airlines
Star Alliance
UA 1994
United Airlines
Boeing 737-900
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07:45
United Airlines
Star Alliance
UA 1994
United Airlines
Airbus A321neo
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05:00
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United Airlines
Star Alliance
UA 1994
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United Airlines
Star Alliance
UA 1994
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Boeing 737-900
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05:09
07:53
United Airlines
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UA 1044
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06:02
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American Airlines
Oneworld
AA 1212
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Boeing 737-800
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American Airlines
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AA 1212
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Boeing 737-800
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06:04
08:52
American Airlines
Oneworld
AA 1212
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06:04
08:56
American Airlines
Oneworld
AA 3106
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Boeing 737-800
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06:04
08:56
American Airlines
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AA 3106
American Airlines
Boeing 737-800
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06:14
08:50
Spirit Airlines
NK 1156
Spirit Airlines
Airbus A318/319/320/321
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06:15
09:00
United Airlines
Star Alliance
UA 2616
United Airlines
Airbus A321neo
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06:15
09:00
United Airlines
Star Alliance
UA 2616
United Airlines
Airbus A321neo
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06:15
09:00
United Airlines
Star Alliance
UA 2616
United Airlines
Airbus A321neo
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06:15
09:00
United Airlines
Star Alliance
UA 2616
United Airlines
Airbus A321neo
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06:26
09:05
Spirit Airlines
NK 1360
Spirit Airlines
Airbus A320-100/200
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07:20
10:05
United Airlines
Star Alliance
UA 2182
United Airlines
Airbus A321neo
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07:59
10:45
American Airlines
Oneworld
AA 3566
American Airlines
Embraer 175
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07:59
10:45
American Airlines
Oneworld
AA 3566
American Airlines
Embraer 175
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07:59
10:45
American Airlines
Oneworld
AA 3566
American Airlines
Embraer 175
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07:59
10:45
American Airlines
Oneworld
AA 3566
American Airlines
Embraer 175
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08:10
10:55
United Airlines
Star Alliance
UA 1617
United Airlines
Boeing 737-900
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08:23
11:07
United Airlines
Star Alliance
UA 1617
United Airlines
Boeing 737-900
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08:23
11:08
United Airlines
Star Alliance
UA 1617
United Airlines
Airbus A321neo
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08:23
11:07
United Airlines
Star Alliance
UA 1617
United Airlines
Boeing 737 MAX 9
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08:23
11:07
United Airlines
Star Alliance
UA 1617
United Airlines
Boeing 737-900
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09:22
12:12
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321neo
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09:23
12:13
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321neo
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09:27
12:17
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A320neo
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09:27
12:17
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321neo
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09:47
12:37
United Airlines
Star Alliance
UA 2124
United Airlines
Airbus A321neo
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10:07
12:57
United Airlines
Star Alliance
UA 2124
United Airlines
Airbus A321neo
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10:07
12:56
United Airlines
Star Alliance
UA 2124
United Airlines
Boeing 737 MAX 9
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10:07
12:57
United Airlines
Star Alliance
UA 2124
United Airlines
Airbus A321neo
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10:44
13:42
American Airlines
Oneworld
AA 3445
American Airlines
Embraer 175
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10:50
13:34
American Airlines
Oneworld
AA 3104
American Airlines
Boeing 737-800
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10:50
13:48
American Airlines
Oneworld
AA 3445
American Airlines
Embraer 175
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10:50
13:34
American Airlines
Oneworld
AA 3104
American Airlines
Boeing 737-800
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11:32
14:22
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321-100/200
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11:32
14:22
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321neo
Y
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11:41
14:16
Spirit Airlines
NK 1156
Spirit Airlines
Airbus A321neo
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11:55
14:45
United Airlines
Star Alliance
UA 2417
United Airlines
Airbus A321neo
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11:55
14:45
United Airlines
Star Alliance
UA 2417
United Airlines
Airbus A321neo
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11:55
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Star Alliance
UA 2417
United Airlines
Boeing 737 MAX 9
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11:55
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United Airlines
Star Alliance
UA 2417
United Airlines
Airbus A321neo
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11:55
14:45
United Airlines
Star Alliance
UA 2417
United Airlines
Airbus A321neo
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12:02
14:52
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321-100/200
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12:27
15:17
Frontier Airlines
F9 3136
Frontier Airlines
Airbus A321neo
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12:27
15:17
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321neo
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12:55
15:38
American Airlines
Oneworld
AA 3517
American Airlines
Embraer 175
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13:01
15:44
American Airlines
Oneworld
AA 3517
American Airlines
Embraer 175
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13:14
16:15
American Airlines
Oneworld
AA 4724
American Airlines
Embraer 175
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13:14
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American Airlines
Oneworld
AA 4724
American Airlines
Embraer 175
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American Airlines
Oneworld
AA 4724
American Airlines
Embraer 175
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American Airlines
Oneworld
AA 4724
American Airlines
Embraer 175
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Oneworld
AA 4724
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Embraer 175
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Oneworld
AA 4724
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Embraer 175
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
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United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
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United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
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United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
Y
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
Y
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14:20
17:05
United Airlines
Star Alliance
UA 1333
United Airlines
Boeing 737-900
Y
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14:23
17:12
United Airlines
Star Alliance
UA 1159
United Airlines
Boeing 737 MAX 9
Y
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14:29
17:11
Spirit Airlines
NK 1648
Spirit Airlines
Airbus A321neo
Y
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
Y
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
Y
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
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16:59
19:58
American Airlines
Oneworld
AA 4720
American Airlines
Embraer 175
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17:25
20:15
United Airlines
Star Alliance
UA 1493
United Airlines
Airbus A321neo
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17:25
20:15
United Airlines
Star Alliance
UA 1493
United Airlines
Airbus A321neo
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17:25
20:15
United Airlines
Star Alliance
UA 1493
United Airlines
Airbus A321neo
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17:25
20:15
United Airlines
Star Alliance
UA 1493
United Airlines
Airbus A321neo
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17:25
20:12
United Airlines
Star Alliance
UA 1503
United Airlines
Airbus A321neo
Y
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18:27
21:25
American Airlines
Oneworld
AA 3485
American Airlines
Embraer 175
Y
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18:38
21:28
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A320neo
Y
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18:38
21:28
Frontier Airlines
F9 3136
Frontier Airlines
Airbus A320neo
Y
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18:40
21:31
United Airlines
Star Alliance
UA 2197
United Airlines
Airbus A321neo
Y
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18:40
21:31
United Airlines
Star Alliance
UA 2197
United Airlines
Airbus A321neo
Y
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18:40
21:31
United Airlines
Star Alliance
UA 2197
United Airlines
Airbus A321neo
Y
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18:40
21:31
United Airlines
Star Alliance
UA 2197
United Airlines
Airbus A321neo
Y
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18:47
21:30
American Airlines
Oneworld
AA 3480
American Airlines
Embraer 170
Y
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18:48
21:36
American Airlines
Oneworld
AA 876
American Airlines
Airbus A319
Y
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19:00
21:50
United Airlines
Star Alliance
UA 2197
United Airlines
Airbus A321neo
Y
W
J
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19:08
21:58
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321neo
Y
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19:08
21:58
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A320neo
Y
W
J
F
19:08
21:58
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A321-100/200
Y
W
J
F
19:08
21:58
Frontier Airlines
F9 1882
Frontier Airlines
Airbus A320neo
Y
W
J
F
20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
W
J
F
20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
W
J
F
20:26
23:14
United Airlines
Star Alliance
UA 1752
United Airlines
Boeing 737 MAX 9
Y
W
J
F
20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
W
J
F
20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
W
J
F
20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
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J
F
20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
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20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
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20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
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20:26
23:15
United Airlines
Star Alliance
UA 1752
United Airlines
Airbus A321neo
Y
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22:04
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
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J
F
22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
J
F
22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
J
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
J
F
22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
J
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22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
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F
22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
J
F
22:05
00:45
United Airlines
Star Alliance
UA 787
United Airlines
Boeing 737 MAX 9
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
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J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 2449
United Airlines
Airbus A321neo
Y
W
J
F
22:45
01:26
United Airlines
Star Alliance
UA 1338
United Airlines
Boeing 737 MAX 9
Y
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J
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