(UA) United Airlines 5539 Flight Details
On time | Scheduled
Departure
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
04-Aug-2026
Scheduled
22:00
CDT
Estimated
22:00
CDT
Total Departure Delay: -
Flight Runway Times
04-Aug-2026
Scheduled
22:10
CDT
Actual
--
Runway Delay: -
Terminal
2
Gate
F11
Craft Type
Canadair (Bombardier) Regional Jet 700 and Challenger 870
CR7
Flight Time
Scheduled
1h 16m
Arrival
MLI
Quad Cities International Airport, IL, US
Flight Gate Times
04-Aug-2026
Scheduled
23:16
CDT
Estimated
23:16
CDT
Total Arrival Delay: -
Flight Runway Times
04-Aug-2026
Scheduled
22:36
CDT
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N558GJ
Flight Time
Estimated
1h 16m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (LH) Lufthansa 8954
Event Timeline
Date
Event
Data Updated
4 Aug
03:01
22:01
22:01
Time Adjustment
Scheduled Runway Departure changed to Aug-04-2026 10:10 PM
Scheduled Runway Arrival changed to Aug-04-2026 10:36 PM
3 Aug
16:38
11:38
11:38
Gate Adjustment
Departure Gate changed from F16 to F11
3 Aug
16:20
11:20
11:20
Gate Adjustment
Departure Gate changed from G19 to F16
3 Aug
16:14
11:14
11:14
Gate Adjustment
Departure Gate changed from F16 to F18
3 Aug
16:14
11:14
11:14
Gate Adjustment
Departure Gate changed from F18 to G19
3 Aug
15:50
10:50
10:50
Equipment Adjustment
Tail Number changed from N603SK to N558GJ
3 Aug
09:38
04:38
04:38
Gate Adjustment
Departure Gate changed from F11 to F16
3 Aug
07:03
02:03
02:03
Gate Adjustment
Departure Gate changed to F11
3 Aug
01:21
20:21
20:21
Equipment Adjustment
Tail Number changed from N532GJ to N603SK
2 Aug
11:56
06:56
06:56
Equipment Adjustment
Tail Number changed from N603SK to N532GJ
2 Aug
11:56
06:56
06:56
Equipment Adjustment
Tail Number changed from N767SK to N603SK
2 Aug
04:14
23:14
23:14
Time Adjustment
Estimated Gate Departure changed to Aug-04-2026 10:00 PM
Estimated Gate Arrival changed to Aug-04-2026 11:16 PM
Tail Number changed to N767SK
Actual Equipment changed to CR7
1 Aug
18:51
13:51
13:51
Record Created
1 Aug
18:51
13:51
13:51
Time Adjustment
Scheduled Gate Departure changed to Aug-04-2026 10:00 PM
Scheduled Gate Arrival changed to Aug-04-2026 11:16 PM
Departure Terminal changed to 2
Scheduled Equipment changed to CR5