
(UA) United Airlines 644 Flight Details
On time | Scheduled
Departure
DFW
Dallas Fort Worth International Airport, TX, US
Flight Gate Times
23-Sep-2026
Scheduled
08:53
CDT
Estimated
08:53
CDT
Total Departure Delay: -
Flight Runway Times
23-Sep-2026
Scheduled
09:13
CDT
Actual
--
Runway Delay: -
Terminal
E
Gate
E6
Craft Type
Boeing 737-800 (Scimitar Winglets) Passenger
7S8
Flight Time
Scheduled
2h 17m
Arrival
DEN
Denver International Airport, CO, US
Flight Gate Times
23-Sep-2026
Scheduled
10:10
MDT
Estimated
10:10
MDT
Total Arrival Delay: -
Flight Runway Times
23-Sep-2026
Scheduled
10:02
MDT
Actual
--
Runway Delay: -
Terminal
-
Gate
A22
Baggage Claim
16
Tail Number
N37252
Flight Time
Estimated
2h 17m
Flight Notes
Also marketed as (AC) Air Canada 4624
Event Timeline
Date
Event
Data Updated
22 Sep
16:14
11:14
10:14
Gate Adjustment
Arrival Gate changed to A22
22 Sep
14:01
09:01
08:01
Time Adjustment
Scheduled Runway Departure changed to Sep-23-2026 9:13 AM
Scheduled Runway Arrival changed to Sep-23-2026 10:02 AM
22 Sep
12:50
07:50
06:50
Gate Adjustment
Departure Gate changed from E8 to E6
21 Sep
22:32
17:32
16:32
Gate Adjustment
Departure Gate changed to E8
21 Sep
21:44
16:44
15:44
Equipment Adjustment
Tail Number changed from N24211 to N37252
21 Sep
15:20
10:20
09:20
Equipment Adjustment
Tail Number changed to N24211
Actual Equipment changed to 7S8
21 Sep
15:20
10:20
09:20
Time Adjustment
Estimated Gate Departure changed to Sep-23-2026 8:53 AM
Estimated Gate Arrival changed to Sep-23-2026 10:10 AM
Baggage changed to 16
20 Sep
18:49
13:49
12:49
Record Created
20 Sep
18:49
13:49
12:49
Time Adjustment
Scheduled Gate Departure changed to Sep-23-2026 8:53 AM
Scheduled Gate Arrival changed to Sep-23-2026 10:10 AM
Departure Terminal changed to E
Scheduled Equipment changed to 738