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(UA) United Airlines 455 Flight Details

Delayed by 30m | Departed

Departure

ORD

Chicago O'Hare International Airport, IL, US

Flight Gate Times

18-May-2026

Scheduled

13:10

 CDT

Actual

13:46

 CDT

Total Departure Delay: 36 mins

Flight Runway Times

18-May-2026

Scheduled

13:39

 CDT

Actual

14:17

 CDT

Runway Delay: 38 mins

Terminal

1

Gate

B7

Craft Type

Boeing 737MAX 9 Passenger

7M9

Flight Time

Scheduled

4h 4m

Arrival

PHX

Phoenix Sky Harbor International Airport, AZ, US

Flight Gate Times

18-May-2026

Scheduled

15:14

 MST

Estimated

15:44

 MST

Total Arrival Delay: 30 mins

Flight Runway Times

18-May-2026

Scheduled

15:01

 MST

Estimated

15:42

 MST

Runway Delay: 41 mins

Terminal

3

Gate

E9

Baggage Claim

5

Tail Number

N77571

Flight Time

Estimated

3h 58m

Flight Notes

Also marketed as (AC) Air Canada 5229

Event Timeline

Time

Date

UTC

Event

Data Updated

18 May

19:23

Arrival Gate changed from E7 to E9

18 May

19:23

Estimated Gate Arrival changed from May-18-2026 3:47 PM to May-18-2026 3:44 PM

18 May

19:18

Estimated Runway Departure changed from May-18-2026 2:20 PM to May-18-2026 2:17 PM

Actual Runway Departure changed to May-18-2026 2:17 PM

18 May

19:17

Arrival Gate changed from E9 to E7

18 May

19:17

Arrival Gate changed from E7 to E9

18 May

19:17

Estimated Gate Arrival changed from May-18-2026 3:42 PM to May-18-2026 3:47 PM

Arrival Gate changed from E9 to E7

18 May

18:48

Estimated Gate Departure changed from May-18-2026 1:51 PM to May-18-2026 1:46 PM

Actual Gate Departure changed to May-18-2026 1:46 PM

Estimated Gate Arrival changed from May-18-2026 3:47 PM to May-18-2026 3:42 PM

Status changed from Scheduled to Active

18 May

18:47

Estimated Runway Departure changed from May-18-2026 2:00 PM to May-18-2026 2:20 PM

Estimated Gate Departure changed from May-18-2026 1:36 PM to May-18-2026 1:51 PM

Estimated Runway Arrival changed from May-18-2026 3:27 PM to May-18-2026 3:42 PM

Estimated Gate Arrival changed from May-18-2026 3:32 PM to May-18-2026 3:47 PM

18 May

18:47

Arrival Gate changed from E7 to E9

18 May

18:35

Estimated Gate Departure changed from May-18-2026 1:31 PM to May-18-2026 1:36 PM

Estimated Runway Arrival changed from May-18-2026 3:22 PM to May-18-2026 3:27 PM

Estimated Gate Arrival changed from May-18-2026 3:27 PM to May-18-2026 3:32 PM

18 May

18:11

Arrival Gate changed from E6 to E7

18 May

18:11

Arrival Gate changed from E7 to E6

18 May

18:06

Estimated Runway Departure changed from May-18-2026 1:44 PM to May-18-2026 2:00 PM

Estimated Gate Departure changed from May-18-2026 1:15 PM to May-18-2026 1:31 PM

Estimated Runway Arrival changed from May-18-2026 3:06 PM to May-18-2026 3:22 PM

Estimated Gate Arrival changed from May-18-2026 3:11 PM to May-18-2026 3:27 PM

18 May

18:06

Arrival Gate changed from E7 to E6

18 May

18:06

Arrival Gate changed from E6 to E7

18 May

17:59

Arrival Gate changed from E6 to E7

18 May

17:59

Arrival Gate changed from E7 to E6

18 May

17:59

Arrival Gate changed from E6 to E7

18 May

17:59

Arrival Gate changed from E7 to E6

18 May

17:29

Estimated Gate Departure changed from May-18-2026 1:10 PM to May-18-2026 1:15 PM

Estimated Gate Arrival changed from May-18-2026 3:06 PM to May-18-2026 3:11 PM

18 May

17:29

Estimated Gate Departure changed from May-18-2026 1:15 PM to May-18-2026 1:10 PM

Estimated Gate Arrival changed from May-18-2026 3:14 PM to May-18-2026 3:06 PM

Departure Gate changed from B11 to B7

18 May

17:28

Estimated Runway Departure changed from May-18-2026 1:39 PM to May-18-2026 1:44 PM

Estimated Gate Departure changed from May-18-2026 1:10 PM to May-18-2026 1:15 PM

Estimated Runway Arrival changed from May-18-2026 3:01 PM to May-18-2026 3:06 PM

18 May

14:56

Estimated Runway Departure changed to May-18-2026 1:39 PM

Estimated Runway Arrival changed to May-18-2026 3:01 PM

18 May

14:56

Scheduled Runway Arrival changed from May-18-2026 3:09 PM to May-18-2026 3:01 PM

18 May

11:53

Arrival Gate changed from E9 to E7

18 May

11:46

Scheduled Runway Departure changed from May-18-2026 1:19 PM to May-18-2026 1:39 PM

Scheduled Runway Arrival changed from May-18-2026 2:37 PM to May-18-2026 3:09 PM

18 May

05:01

Arrival Gate changed from E1 to E9

18 May

02:22

Arrival Gate changed from E9 to E1

17 May

18:11

Scheduled Runway Departure changed to May-18-2026 1:19 PM

Scheduled Runway Arrival changed to May-18-2026 2:37 PM

17 May

13:17

Arrival Gate changed to E9

Baggage changed to 5

16 May

23:05

Estimated Gate Departure changed to May-18-2026 1:10 PM

Estimated Gate Arrival changed to May-18-2026 3:14 PM

Departure Gate changed to B11

Tail Number changed to N77571

Actual Equipment changed to 7M9

15 May

18:48

15 May

18:48

Scheduled Gate Departure changed to May-18-2026 1:10 PM

Scheduled Gate Arrival changed to May-18-2026 3:14 PM

Departure Terminal changed to 1

Arrival Terminal changed to 3

Scheduled Equipment changed to 7M9