(UA) United Airlines 1252 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
20-May-2026
Scheduled
10:08
EDT
Actual
09:57
EDT
Total Departure Delay: -
Flight Runway Times
20-May-2026
Scheduled
10:28
EDT
Actual
10:07
EDT
Runway Delay: -
Terminal
-
Gate
D26
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 18m
Arrival
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
20-May-2026
Scheduled
11:26
CDT
Actual
10:53
CDT
Total Arrival Delay: -
Flight Runway Times
20-May-2026
Scheduled
11:02
CDT
Actual
10:41
CDT
Runway Delay: -
Terminal
1
Gate
C18
Baggage Claim
3
Tail Number
N81449
Flight Time
Actual
1h 56m
Flight Notes
Also marketed as (AC) Air Canada 4444, (CM) Copa Airlines 2633
Event Timeline
Date
Event
Data Updated
20 May
15:56
11:56
10:56
Time Adjustment
Estimated Gate Arrival changed from May-20-2026 10:57 AM to May-20-2026 10:53 AM
Actual Gate Arrival changed from May-20-2026 10:57 AM to May-20-2026 10:53 AM
20 May
15:53
11:53
10:53
Time Adjustment
Estimated Gate Arrival changed from May-20-2026 10:51 AM to May-20-2026 10:57 AM
Actual Gate Arrival changed to May-20-2026 10:57 AM
20 May
15:42
11:42
10:42
Status Landed
Estimated Runway Arrival changed from May-20-2026 10:45 AM to May-20-2026 10:41 AM
Actual Runway Arrival changed to May-20-2026 10:41 AM
Estimated Gate Arrival changed from May-20-2026 10:59 AM to May-20-2026 10:51 AM
Status changed from Active to Landed
20 May
14:17
10:17
09:17
Gate Adjustment
Arrival Gate changed from C28 to C18
20 May
14:11
10:11
09:11
Time Adjustment
Estimated Runway Arrival changed from May-20-2026 10:32 AM to May-20-2026 10:45 AM
Estimated Gate Arrival changed from May-20-2026 11:09 AM to May-20-2026 10:59 AM
20 May
14:08
10:08
09:08
Time Adjustment
Estimated Runway Departure changed from May-20-2026 10:28 AM to May-20-2026 10:07 AM
Actual Runway Departure changed to May-20-2026 10:07 AM
Estimated Runway Arrival changed from May-20-2026 10:41 AM to May-20-2026 10:32 AM
20 May
14:08
10:08
09:08
Time Adjustment
Estimated Runway Departure changed from May-20-2026 10:07 AM to May-20-2026 10:28 AM
Estimated Runway Arrival changed from May-20-2026 10:32 AM to May-20-2026 10:41 AM
20 May
14:08
10:08
09:08
Time Adjustment
Estimated Runway Departure changed from May-20-2026 10:28 AM to May-20-2026 10:07 AM
Estimated Runway Arrival changed from May-20-2026 10:26 AM to May-20-2026 10:32 AM
20 May
14:03
10:03
09:03
Time Adjustment
Estimated Runway Arrival changed from May-20-2026 11:02 AM to May-20-2026 10:26 AM
20 May
13:59
09:59
08:59
Status Active
Estimated Gate Departure changed from May-20-2026 10:08 AM to May-20-2026 9:57 AM
Actual Gate Departure changed to May-20-2026 9:57 AM
Estimated Gate Arrival changed from May-20-2026 11:20 AM to May-20-2026 11:09 AM
Status changed from Scheduled to Active
20 May
13:23
09:23
08:23
Time Adjustment
Estimated Gate Arrival changed from May-20-2026 11:26 AM to May-20-2026 11:20 AM
Arrival Gate changed from C21 to C28
20 May
11:06
07:06
06:06
Time Adjustment
Estimated Runway Arrival changed to May-20-2026 11:02 AM
20 May
11:06
07:06
06:06
Time Adjustment
Estimated Runway Departure changed to May-20-2026 10:28 AM
Scheduled Runway Arrival changed from May-20-2026 11:08 AM to May-20-2026 11:02 AM
20 May
09:05
05:05
04:05
Gate Adjustment
Arrival Gate changed from C26 to C21
20 May
05:11
01:11
00:11
Gate Adjustment
Departure Gate changed from D4 to D26
20 May
02:11
22:11
21:11
Gate Adjustment
Arrival Gate changed from C27 to C26
20 May
01:23
21:23
20:23
Gate Adjustment
Departure Gate changed from D12 to D4
19 May
23:23
19:23
18:23
Gate Adjustment
Departure Gate changed from D4 to D12
19 May
21:11
17:11
16:11
Equipment Adjustment
Tail Number changed from N37420 to N81449
19 May
20:19
16:19
15:19
Gate Adjustment
Departure Gate changed from C9 to D4
19 May
18:41
14:41
13:41
Gate Adjustment
Departure Gate changed from D9 to C9
19 May
14:16
10:16
09:16
Time Adjustment
Scheduled Runway Departure changed from May-20-2026 10:13 AM to May-20-2026 10:28 AM
Scheduled Runway Arrival changed from May-20-2026 10:36 AM to May-20-2026 11:08 AM
19 May
14:11
10:11
09:11
Time Adjustment
Scheduled Runway Departure changed to May-20-2026 10:13 AM
Scheduled Runway Arrival changed to May-20-2026 10:36 AM
19 May
13:59
09:59
08:59
Gate Adjustment
Departure Gate changed from D30 to D9
19 May
11:23
07:23
06:23
Gate Adjustment
Departure Gate changed from D9 to D30
19 May
08:41
04:41
03:41
Gate Adjustment
Arrival Gate changed from C22 to C27
19 May
08:11
04:11
03:11
Equipment Adjustment
Tail Number changed from N66837 to N37420
19 May
04:47
00:47
23:47
Gate Adjustment
Departure Gate changed to D9
18 May
22:36
18:36
17:36
Gate Adjustment
Arrival Gate changed to C22
Baggage changed to 3
18 May
06:17
02:17
01:17
Time Adjustment
Estimated Gate Departure changed to May-20-2026 10:08 AM
Estimated Gate Arrival changed to May-20-2026 11:26 AM
18 May
06:17
02:17
01:17
Equipment Adjustment
Tail Number changed to N66837
Actual Equipment changed to 7S9
17 May
18:45
14:45
13:45
Record Created
17 May
18:45
14:45
13:45
Time Adjustment
Scheduled Gate Departure changed to May-20-2026 10:08 AM
Scheduled Gate Arrival changed to May-20-2026 11:26 AM
Arrival Terminal changed to 1
Scheduled Equipment changed to 739