(UA) United Airlines 455 Flight Details
On time | Scheduled
Departure
PIT
Pittsburgh International Airport, PA, US
Flight Gate Times
19-May-2026
Scheduled
10:55
EDT
Estimated
10:55
EDT
Total Departure Delay: -
Flight Runway Times
19-May-2026
Scheduled
11:11
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A6
Craft Type
Airbus A320
320
Flight Time
Scheduled
1h 47m
Arrival
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
19-May-2026
Scheduled
11:42
CDT
Estimated
11:42
CDT
Total Arrival Delay: -
Flight Runway Times
19-May-2026
Scheduled
11:24
CDT
Actual
--
Runway Delay: -
Terminal
1
Gate
C17
Baggage Claim
6
Tail Number
N451UA
Flight Time
Estimated
1h 47m
Flight Notes
Also marketed as (AC) Air Canada 4244, (CM) Copa Airlines 2757, (NZ) Air New Zealand 2756
Event Timeline
Date
Event
Data Updated
19 May
03:05
23:05
22:05
Gate Adjustment
Arrival Gate changed from C3 to C17
19 May
02:47
22:47
21:47
Gate Adjustment
Arrival Gate changed from E8 to C3
Arrival Terminal changed from 2 to 1
19 May
01:29
21:29
20:29
Gate Adjustment
Arrival Gate changed from B22 to E8
Arrival Terminal changed from 1 to 2
18 May
15:01
11:01
10:01
Time Adjustment
Scheduled Runway Departure changed from May-19-2026 11:03 AM to May-19-2026 11:11 AM
Scheduled Runway Arrival changed from May-19-2026 11:05 AM to May-19-2026 11:24 AM
18 May
14:56
10:56
09:56
Time Adjustment
Scheduled Runway Departure changed to May-19-2026 11:03 AM
Scheduled Runway Arrival changed to May-19-2026 11:05 AM
18 May
00:47
20:47
19:47
Gate Adjustment
Departure Gate changed to A6
17 May
22:47
18:47
17:47
Gate Adjustment
Arrival Gate changed to B22
Baggage changed to 6
17 May
14:29
10:29
09:29
Equipment Adjustment
Tail Number changed from N455UA to N451UA
17 May
05:17
01:17
00:17
Time Adjustment
Estimated Gate Departure changed to May-19-2026 10:55 AM
Estimated Gate Arrival changed to May-19-2026 11:42 AM
Tail Number changed to N455UA
Actual Equipment changed to 320
16 May
18:45
14:45
13:45
Record Created
16 May
18:45
14:45
13:45
Time Adjustment
Scheduled Gate Departure changed to May-19-2026 10:55 AM
Scheduled Gate Arrival changed to May-19-2026 11:42 AM
Arrival Terminal changed to 1
Scheduled Equipment changed to 320