(UA) United Airlines 3509 Flight Details
Delayed by 2h 14m | Departed
Departure
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
12-Aug-2026
Scheduled
13:55
CDT
Actual
16:27
CDT
Total Departure Delay: 2 h 32 mins
Flight Runway Times
12-Aug-2026
Scheduled
14:51
CDT
Actual
16:54
CDT
Runway Delay: 2 h 3 mins
Terminal
1
Gate
C8
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 21m
Arrival
YOW
Ottawa Macdonald-Cartier International Airport, ON, CA
Flight Gate Times
12-Aug-2026
Scheduled
17:16
EDT
Estimated
19:30
EDT
Total Arrival Delay: 2 h 14 mins
Flight Runway Times
12-Aug-2026
Scheduled
17:34
EDT
Estimated
19:24
EDT
Runway Delay: 1 h 50 mins
Terminal
-
Gate
6
Baggage Claim
2
Tail Number
N736YX
Flight Time
Estimated
2h 3m
Flight Notes
Operated by Republic Airways on behalf of United Airlines
Also marketed as (AC) Air Canada 4106, (NZ) Air New Zealand 9971
Event Timeline
Date
Event
Data Updated
12 Aug
22:08
17:08
18:08
Time Adjustment
Estimated Runway Arrival changed from Aug-12-2026 7:34 PM to Aug-12-2026 7:24 PM
Estimated Gate Arrival changed from Aug-12-2026 7:41 PM to Aug-12-2026 7:30 PM
Arrival Gate changed from 2 to 6
12 Aug
21:57
16:57
17:57
Time Adjustment
Estimated Runway Arrival changed from Aug-12-2026 7:23 PM to Aug-12-2026 7:34 PM
Estimated Gate Arrival changed from Aug-12-2026 7:56 PM to Aug-12-2026 7:41 PM
12 Aug
21:54
16:54
17:54
Time Adjustment
Estimated Runway Departure changed from Aug-12-2026 5:06 PM to Aug-12-2026 4:54 PM
Actual Runway Departure changed to Aug-12-2026 4:54 PM
Estimated Runway Arrival changed from Aug-12-2026 7:34 PM to Aug-12-2026 7:23 PM
12 Aug
21:51
16:51
17:51
Time Adjustment
Estimated Runway Arrival changed from Aug-12-2026 7:08 PM to Aug-12-2026 7:34 PM
12 Aug
21:32
16:32
17:32
Status Active
Estimated Gate Departure changed from Aug-12-2026 4:35 PM to Aug-12-2026 4:27 PM
Actual Gate Departure changed to Aug-12-2026 4:27 PM
Status changed from Scheduled to Active
12 Aug
21:28
16:28
17:28
Time Adjustment
Estimated Runway Arrival changed from Aug-12-2026 7:24 PM to Aug-12-2026 7:08 PM
12 Aug
20:52
15:52
16:52
Time Adjustment
Estimated Gate Departure changed from Aug-12-2026 4:10 PM to Aug-12-2026 4:35 PM
Estimated Gate Arrival changed from Aug-12-2026 7:31 PM to Aug-12-2026 7:56 PM
12 Aug
20:51
15:51
16:51
Time Adjustment
Estimated Runway Departure changed from Aug-12-2026 4:41 PM to Aug-12-2026 5:06 PM
12 Aug
20:28
15:28
16:28
Gate Adjustment
Arrival Gate changed from 6 to 2
12 Aug
19:57
14:57
15:57
Time Adjustment
Estimated Gate Departure changed from Aug-12-2026 4:20 PM to Aug-12-2026 4:10 PM
Estimated Gate Arrival changed from Aug-12-2026 7:41 PM to Aug-12-2026 7:31 PM
12 Aug
19:57
14:57
15:57
Time Adjustment
Estimated Runway Departure changed from Aug-12-2026 4:26 PM to Aug-12-2026 4:41 PM
Estimated Runway Arrival changed from Aug-12-2026 6:33 PM to Aug-12-2026 7:24 PM
12 Aug
19:44
14:44
15:44
Time Adjustment
Estimated Gate Departure changed from Aug-12-2026 3:55 PM to Aug-12-2026 4:20 PM
Estimated Gate Arrival changed from Aug-12-2026 7:16 PM to Aug-12-2026 7:41 PM
12 Aug
18:50
13:50
14:50
Time Adjustment
Estimated Gate Departure changed from Aug-12-2026 3:25 PM to Aug-12-2026 3:55 PM
Estimated Gate Arrival changed from Aug-12-2026 6:46 PM to Aug-12-2026 7:16 PM
12 Aug
18:45
13:45
14:45
Time Adjustment
Estimated Runway Departure changed from Aug-12-2026 3:56 PM to Aug-12-2026 4:26 PM
12 Aug
18:39
13:39
14:39
Time Adjustment
Estimated Runway Arrival changed from Aug-12-2026 6:39 PM to Aug-12-2026 6:33 PM
12 Aug
17:32
12:32
13:32
Gate Adjustment
Departure Gate changed from C6 to C8
12 Aug
17:02
12:02
13:02
Gate Adjustment
Departure Gate changed from C8 to C6
12 Aug
16:29
11:29
12:29
Time Adjustment
Estimated Gate Arrival changed from Aug-12-2026 5:41 PM to Aug-12-2026 6:46 PM
12 Aug
16:29
11:29
12:29
Time Adjustment
Estimated Runway Departure changed from Aug-12-2026 2:51 PM to Aug-12-2026 3:56 PM
Estimated Runway Arrival changed to Aug-12-2026 6:39 PM
12 Aug
16:29
11:29
12:29
Time Adjustment
Estimated Gate Departure changed from Aug-12-2026 2:20 PM to Aug-12-2026 3:25 PM
12 Aug
16:02
11:02
12:02
Gate Adjustment
Departure Gate changed from C4 to C8
12 Aug
15:56
10:56
11:56
Equipment Adjustment
Tail Number changed from N786YX to N736YX
12 Aug
15:08
10:08
11:08
Time Adjustment
Estimated Gate Arrival changed from Aug-12-2026 5:16 PM to Aug-12-2026 5:41 PM
12 Aug
15:06
10:06
11:06
Time Adjustment
Estimated Runway Departure changed to Aug-12-2026 2:51 PM
Estimated Gate Departure changed from Aug-12-2026 1:55 PM to Aug-12-2026 2:20 PM
12 Aug
15:06
10:06
11:06
Time Adjustment
Scheduled Runway Departure changed from Aug-12-2026 2:26 PM to Aug-12-2026 2:51 PM
Scheduled Runway Arrival changed from Aug-12-2026 5:09 PM to Aug-12-2026 5:34 PM
12 Aug
07:24
02:24
03:24
Gate Adjustment
Departure Gate changed from C6 to C4
12 Aug
07:02
02:02
03:02
Equipment Adjustment
Tail Number changed from N736YX to N786YX
12 Aug
04:44
23:44
00:44
Gate Adjustment
Departure Gate changed from F12 to C6
Departure Terminal changed from 2 to 1
12 Aug
04:44
23:44
00:44
Gate Adjustment
Departure Gate changed from F18 to F12
12 Aug
01:14
20:14
21:14
Gate Adjustment
Departure Gate changed from F16 to F18
12 Aug
01:02
20:02
21:02
Equipment Adjustment
Tail Number changed from N791YX to N736YX
11 Aug
19:01
14:01
15:01
Time Adjustment
Scheduled Runway Departure changed from Aug-12-2026 1:59 PM to Aug-12-2026 2:26 PM
Scheduled Runway Arrival changed from Aug-12-2026 4:26 PM to Aug-12-2026 5:09 PM
11 Aug
18:56
13:56
14:56
Time Adjustment
Scheduled Runway Departure changed to Aug-12-2026 1:59 PM
Scheduled Runway Arrival changed to Aug-12-2026 4:26 PM
11 Aug
10:26
05:26
06:26
Gate Adjustment
Baggage changed to 2
11 Aug
07:02
02:02
03:02
Equipment Adjustment
Tail Number changed from N732YX to N791YX
11 Aug
04:10
23:10
00:10
Gate Adjustment
Arrival Gate changed to 6
11 Aug
01:03
20:03
21:03
Equipment Adjustment
Tail Number changed from N771YX to N732YX
11 Aug
00:14
19:14
20:14
Gate Adjustment
Departure Gate changed to F16
10 Aug
07:03
02:03
03:03
Time Adjustment
Estimated Gate Departure changed to Aug-12-2026 1:55 PM
Estimated Gate Arrival changed to Aug-12-2026 5:16 PM
Tail Number changed to N771YX
Actual Equipment changed to E75
9 Aug
18:50
13:50
14:50
Record Created
9 Aug
18:50
13:50
14:50
Time Adjustment
Scheduled Gate Departure changed to Aug-12-2026 1:55 PM
Scheduled Gate Arrival changed to Aug-12-2026 5:16 PM
Departure Terminal changed to 2
Scheduled Equipment changed to E7W