(UA) United Airlines 1252 Flight Details
On time | Arrived
Departure
IAD
Washington Dulles International Airport, VA, US
Flight Gate Times
21-May-2026
Scheduled
10:31
EDT
Actual
10:27
EDT
Total Departure Delay: -
Flight Runway Times
21-May-2026
Scheduled
10:51
EDT
Actual
10:37
EDT
Runway Delay: -
Terminal
-
Gate
C19
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
2h 22m
Arrival
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
21-May-2026
Scheduled
11:53
CDT
Actual
11:20
CDT
Total Arrival Delay: -
Flight Runway Times
21-May-2026
Scheduled
11:28
CDT
Actual
11:10
CDT
Runway Delay: -
Terminal
2
Gate
E17
Baggage Claim
4
Tail Number
N39461
Flight Time
Actual
1h 53m
Flight Notes
Also marketed as (AC) Air Canada 4444
Event Timeline
Date
Event
Data Updated
21 May
16:23
12:23
11:23
Time Adjustment
Estimated Gate Arrival changed from May-21-2026 11:19 AM to May-21-2026 11:20 AM
Actual Gate Arrival changed to May-21-2026 11:20 AM
21 May
16:11
12:11
11:11
Status Landed
Estimated Runway Arrival changed from May-21-2026 11:19 AM to May-21-2026 11:10 AM
Actual Runway Arrival changed to May-21-2026 11:10 AM
Estimated Gate Arrival changed from May-21-2026 11:32 AM to May-21-2026 11:19 AM
Status changed from Active to Landed
21 May
14:41
10:41
09:41
Time Adjustment
Estimated Runway Departure changed from May-21-2026 10:51 AM to May-21-2026 10:37 AM
Actual Runway Departure changed to May-21-2026 10:37 AM
Estimated Runway Arrival changed from May-21-2026 11:08 AM to May-21-2026 11:19 AM
Estimated Gate Arrival changed from May-21-2026 11:42 AM to May-21-2026 11:32 AM
21 May
14:34
10:34
09:34
Time Adjustment
Estimated Runway Arrival changed from May-21-2026 11:24 AM to May-21-2026 11:08 AM
21 May
14:29
10:29
09:29
Status Active
Estimated Gate Departure changed from May-21-2026 10:31 AM to May-21-2026 10:27 AM
Actual Gate Departure changed to May-21-2026 10:27 AM
Estimated Gate Arrival changed from May-21-2026 11:53 AM to May-21-2026 11:42 AM
Status changed from Scheduled to Active
21 May
14:28
10:28
09:28
Time Adjustment
Estimated Runway Arrival changed from May-21-2026 11:28 AM to May-21-2026 11:24 AM
21 May
11:58
07:58
06:58
Time Adjustment
Scheduled Runway Arrival changed from May-21-2026 11:35 AM to May-21-2026 11:28 AM
21 May
11:58
07:58
06:58
Time Adjustment
Estimated Runway Arrival changed from May-21-2026 11:35 AM to May-21-2026 11:28 AM
21 May
10:59
06:59
05:59
Gate Adjustment
Arrival Gate changed from E17 to E6
Baggage changed from 3 to 4
21 May
10:59
06:59
05:59
Gate Adjustment
Arrival Gate changed from E6 to E17
21 May
10:55
06:55
05:55
Time Adjustment
Estimated Runway Departure changed to May-21-2026 10:51 AM
Estimated Runway Arrival changed to May-21-2026 11:35 AM
20 May
14:41
10:41
09:41
Time Adjustment
Scheduled Runway Departure changed from May-21-2026 10:36 AM to May-21-2026 10:51 AM
Scheduled Runway Arrival changed from May-21-2026 11:02 AM to May-21-2026 11:35 AM
20 May
14:36
10:36
09:36
Time Adjustment
Scheduled Runway Departure changed to May-21-2026 10:36 AM
Scheduled Runway Arrival changed to May-21-2026 11:02 AM
20 May
13:29
09:29
08:29
Gate Adjustment
Departure Gate changed to C19
20 May
03:05
23:05
22:05
Gate Adjustment
Arrival Gate changed from C24 to E17
Arrival Terminal changed from 1 to 2
19 May
23:05
19:05
18:05
Gate Adjustment
Arrival Gate changed to C24
Baggage changed to 3
19 May
15:30
11:30
10:30
Equipment Adjustment
Tail Number changed from N66837 to N39461
19 May
08:11
04:11
03:11
Equipment Adjustment
Tail Number changed to N66837
Actual Equipment changed to 7S9
19 May
08:11
04:11
03:11
Time Adjustment
Estimated Gate Departure changed to May-21-2026 10:31 AM
Estimated Gate Arrival changed to May-21-2026 11:53 AM
18 May
18:46
14:46
13:46
Record Created
18 May
18:46
14:46
13:46
Time Adjustment
Scheduled Gate Departure changed to May-21-2026 10:31 AM
Scheduled Gate Arrival changed to May-21-2026 11:53 AM
Arrival Terminal changed to 1
Scheduled Equipment changed to 739