
(UA) United Airlines 5523 Flight Details
On time | Scheduled
Departure
STL
St Louis Lambert International Airport, MO, US
Flight Gate Times
27-Dec-2025
Scheduled
18:35
CST
Estimated
18:35
CST
Total Departure Delay: -
Flight Runway Times
27-Dec-2025
Scheduled
18:52
CST
Actual
--
Runway Delay: -
Terminal
1
Gate
A18
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 44m
Arrival
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
27-Dec-2025
Scheduled
20:19
CST
Estimated
20:19
CST
Total Arrival Delay: -
Flight Runway Times
27-Dec-2025
Scheduled
20:00
CST
Actual
--
Runway Delay: -
Terminal
1
Gate
B18
Baggage Claim
2
Tail Number
N151SY
Flight Time
Estimated
1h 44m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (AC) Air Canada 4937, (LH) Lufthansa 8793, (NZ) Air New Zealand 2904
Event Timeline
Date
Event
Data Updated
27 Dec
17:07
11:07
11:07
Gate Adjustment
Departure Gate changed from A16 to A18
27 Dec
12:01
06:01
06:01
Gate Adjustment
Baggage changed to 2
Tail Number changed from N109SY to N151SY
27 Dec
00:41
18:41
18:41
Time Adjustment
Scheduled Runway Departure changed from Dec-27-2025 6:41 PM to Dec-27-2025 6:52 PM
Scheduled Runway Arrival changed from Dec-27-2025 7:33 PM to Dec-27-2025 8:00 PM
27 Dec
00:36
18:36
18:36
Time Adjustment
Scheduled Runway Departure changed to Dec-27-2025 6:41 PM
Scheduled Runway Arrival changed to Dec-27-2025 7:33 PM
26 Dec
23:55
17:55
17:55
Gate Adjustment
Departure Gate changed to A16
26 Dec
08:31
02:31
02:31
Gate Adjustment
Arrival Gate changed to B18
Arrival Terminal changed from 2 to 1
26 Dec
02:07
20:07
20:07
Equipment Adjustment
Tail Number changed from N156SY to N109SY
25 Dec
16:07
10:07
10:07
Equipment Adjustment
Tail Number changed from N130SY to N156SY
25 Dec
04:07
22:07
22:07
Time Adjustment
Estimated Gate Departure changed to Dec-27-2025 6:35 PM
Estimated Gate Arrival changed to Dec-27-2025 8:19 PM
Tail Number changed to N130SY
Actual Equipment changed to E75
24 Dec
18:47
12:47
12:47
Record Created
24 Dec
18:47
12:47
12:47
Time Adjustment
Scheduled Gate Departure changed to Dec-27-2025 6:35 PM
Scheduled Gate Arrival changed to Dec-27-2025 8:19 PM
Departure Terminal changed to 1
Arrival Terminal changed to 2
Scheduled Equipment changed to E7W