(UA) United Airlines 552 Flight Details
On time | Departed
Departure
ONT
Ontario International Airport, CA, US
Flight Gate Times
18-Mar-2026
Scheduled
23:59
PDT
Actual
23:49
PDT
Total Departure Delay: -
Flight Runway Times
18-Mar-2026
Scheduled
00:16
PDT
Actual
00:09
PDT
Runway Delay: -
Terminal
2
Gate
201
Craft Type
Boeing 737MAX 8 Passenger
7M8
Flight Time
Scheduled
4h 3m
Arrival
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
19-Mar-2026
Scheduled
06:02
CDT
Estimated
05:59
CDT
Total Arrival Delay: -
Flight Runway Times
19-Mar-2026
Scheduled
05:53
CDT
Estimated
05:57
CDT
Runway Delay: 4 mins
Terminal
1
Gate
C3
Baggage Claim
12
Tail Number
N17265
Flight Time
Estimated
4h 10m
Event Timeline
Date
Event
Data Updated
19 Mar
07:14
00:14
02:14
Time Adjustment
Estimated Runway Arrival changed from Mar-19-2026 5:25 AM to Mar-19-2026 5:57 AM
Estimated Gate Arrival changed from Mar-19-2026 5:56 AM to Mar-19-2026 5:59 AM
19 Mar
07:11
00:11
02:11
Time Adjustment
Estimated Runway Arrival changed from Mar-19-2026 5:41 AM to Mar-19-2026 5:25 AM
19 Mar
07:10
00:10
02:10
Time Adjustment
Actual Runway Departure changed to Mar-19-2026 12:09 AM
19 Mar
07:10
00:10
02:10
Time Adjustment
Estimated Runway Arrival changed from Mar-19-2026 5:53 AM to Mar-19-2026 5:46 AM
19 Mar
07:10
00:10
02:10
Time Adjustment
Estimated Runway Departure changed from Mar-19-2026 12:16 AM to Mar-19-2026 12:09 AM
Estimated Runway Arrival changed from Mar-19-2026 5:46 AM to Mar-19-2026 5:41 AM
19 Mar
06:50
23:50
01:50
Status Active
Estimated Gate Departure changed from Mar-18-2026 11:59 PM to Mar-18-2026 11:49 PM
Actual Gate Departure changed to Mar-18-2026 11:49 PM
Estimated Gate Arrival changed from Mar-19-2026 6:06 AM to Mar-19-2026 5:56 AM
Status changed from Scheduled to Active
19 Mar
06:39
23:39
01:39
Time Adjustment
Estimated Gate Arrival changed from Mar-19-2026 6:02 AM to Mar-19-2026 6:06 AM
Arrival Gate changed from C7 to C3
19 Mar
04:44
21:44
23:44
Time Adjustment
Scheduled Runway Arrival changed from Mar-19-2026 5:49 AM to Mar-19-2026 5:53 AM
19 Mar
04:44
21:44
23:44
Time Adjustment
Estimated Runway Arrival changed to Mar-19-2026 5:53 AM
19 Mar
03:20
20:20
22:20
Gate Adjustment
Arrival Gate changed from C21 to C7
19 Mar
03:18
20:18
22:18
Time Adjustment
Estimated Runway Departure changed to Mar-19-2026 12:16 AM
19 Mar
02:08
19:08
21:08
Gate Adjustment
Departure Gate changed to 201
18 Mar
07:06
00:06
02:06
Time Adjustment
Scheduled Runway Departure changed from Mar-19-2026 12:07 AM to Mar-19-2026 12:16 AM
18 Mar
07:01
00:01
02:01
Time Adjustment
Scheduled Runway Departure changed to Mar-19-2026 12:07 AM
Scheduled Runway Arrival changed to Mar-19-2026 5:49 AM
18 Mar
00:45
17:45
19:45
Equipment Adjustment
Tail Number changed from N27255 to N17265
17 Mar
17:14
10:14
12:14
Time Adjustment
Estimated Gate Departure changed to Mar-18-2026 11:59 PM
Estimated Gate Arrival changed to Mar-19-2026 6:02 AM
Arrival Gate changed to C21
Baggage changed to 12
Tail Number changed to N27255
Actual Equipment changed to 7M8
15 Mar
18:46
11:46
13:46
Record Created
15 Mar
18:46
11:46
13:46
Time Adjustment
Scheduled Gate Departure changed to Mar-18-2026 11:59 PM
Scheduled Gate Arrival changed to Mar-19-2026 6:02 AM
Departure Terminal changed to 2
Arrival Terminal changed to 1
Scheduled Equipment changed to 7M8