(UA) United Airlines 4638 Flight Details
On time | Scheduled
Departure
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
03-Apr-2026
Scheduled
19:45
CDT
Estimated
19:45
CDT
Total Departure Delay: -
Flight Runway Times
03-Apr-2026
Scheduled
20:09
CDT
Actual
--
Runway Delay: -
Terminal
2
Gate
F27
Craft Type
Embraer 175
E75
Flight Time
Scheduled
3h 9m
Arrival
COS
Colorado Springs Airport, CO, US
Flight Gate Times
03-Apr-2026
Scheduled
21:54
MDT
Estimated
21:54
MDT
Total Arrival Delay: -
Flight Runway Times
03-Apr-2026
Scheduled
21:47
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
5
Baggage Claim
5
Tail Number
N106SY
Flight Time
Estimated
3h 9m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (EK) Emirates 6237, (LH) Lufthansa 8684
Event Timeline
Date
Event
Data Updated
3 Apr
09:32
04:32
03:32
Gate Adjustment
Arrival Gate changed from 7 to 5
3 Apr
09:32
04:32
03:32
Gate Adjustment
Arrival Gate changed from 3 to 7
3 Apr
04:26
23:26
22:26
Gate Adjustment
Departure Gate changed from F16 to F27
3 Apr
03:57
22:57
21:57
Gate Adjustment
Arrival Gate changed to 3
3 Apr
02:20
21:20
20:20
Equipment Adjustment
Tail Number changed from N149SY to N106SY
3 Apr
00:51
19:51
18:51
Time Adjustment
Scheduled Runway Departure changed from Apr-03-2026 7:57 PM to Apr-03-2026 8:09 PM
Scheduled Runway Arrival changed from Apr-03-2026 9:06 PM to Apr-03-2026 9:47 PM
3 Apr
00:46
19:46
18:46
Time Adjustment
Scheduled Runway Departure changed to Apr-03-2026 7:57 PM
Scheduled Runway Arrival changed to Apr-03-2026 9:06 PM
2 Apr
21:26
16:26
15:26
Equipment Adjustment
Tail Number changed from N136SY to N149SY
2 Apr
17:26
12:26
11:26
Equipment Adjustment
Tail Number changed from N121SY to N136SY
2 Apr
17:21
12:21
11:21
Equipment Adjustment
Tail Number changed from N127SY to N121SY
2 Apr
10:32
05:32
04:32
Gate Adjustment
Departure Gate changed from F27 to F16
2 Apr
09:20
04:20
03:20
Gate Adjustment
Baggage changed to 5
2 Apr
06:14
01:14
00:14
Gate Adjustment
Departure Gate changed to F27
1 Apr
04:08
23:08
22:08
Time Adjustment
Estimated Gate Departure changed to Apr-03-2026 7:45 PM
Estimated Gate Arrival changed to Apr-03-2026 9:54 PM
Tail Number changed to N127SY
Actual Equipment changed to E75
31 Mar
18:48
13:48
12:48
Record Created
31 Mar
18:48
13:48
12:48
Time Adjustment
Scheduled Gate Departure changed to Apr-03-2026 7:45 PM
Scheduled Gate Arrival changed to Apr-03-2026 9:54 PM
Departure Terminal changed to 2
Scheduled Equipment changed to E7W