(UA) United Airlines 3509 Flight Details
Delayed by 35m | Scheduled
Departure
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
20-May-2026
Scheduled
13:55
CDT
Estimated
14:30
CDT
Total Departure Delay: 35 mins
Flight Runway Times
20-May-2026
Scheduled
14:26
CDT
Estimated
14:26
CDT
Runway Delay: -
Terminal
2
Gate
E7
Craft Type
Embraer 175
E75
Flight Time
Scheduled
2h 12m
Arrival
YOW
Ottawa Macdonald-Cartier International Airport, ON, CA
Flight Gate Times
20-May-2026
Scheduled
17:07
EDT
Estimated
17:42
EDT
Total Arrival Delay: 35 mins
Flight Runway Times
20-May-2026
Scheduled
16:35
EDT
Estimated
16:35
EDT
Runway Delay: -
Terminal
-
Gate
6
Baggage Claim
1
Tail Number
N728YX
Flight Time
Estimated
2h 12m
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
20 May
18:46
13:46
14:46
Time Adjustment
Estimated Gate Departure changed from May-20-2026 1:55 PM to May-20-2026 2:30 PM
Estimated Gate Arrival changed from May-20-2026 5:07 PM to May-20-2026 5:42 PM
20 May
17:51
12:51
13:51
Time Adjustment
Estimated Runway Arrival changed from May-20-2026 5:00 PM to May-20-2026 4:35 PM
20 May
17:51
12:51
13:51
Time Adjustment
Scheduled Runway Arrival changed from May-20-2026 5:00 PM to May-20-2026 4:35 PM
20 May
15:23
10:23
11:23
Gate Adjustment
Departure Gate changed from C4 to E7
Departure Terminal changed from 1 to 2
20 May
15:21
10:21
11:21
Time Adjustment
Estimated Runway Arrival changed to May-20-2026 5:00 PM
20 May
15:21
10:21
11:21
Time Adjustment
Estimated Runway Departure changed to May-20-2026 2:26 PM
20 May
09:45
04:45
05:45
Gate Adjustment
Baggage changed from 2 to 1
20 May
07:05
02:05
03:05
Equipment Adjustment
Tail Number changed from N755YX to N728YX
20 May
03:23
22:23
23:23
Gate Adjustment
Departure Gate changed from E6 to C4
Departure Terminal changed from 2 to 1
20 May
01:17
20:17
21:17
Gate Adjustment
Departure Gate changed from F20 to E6
20 May
01:05
20:05
21:05
Equipment Adjustment
Tail Number changed from N780YX to N755YX
19 May
19:01
14:01
15:01
Time Adjustment
Scheduled Runway Departure changed to May-20-2026 2:26 PM
Scheduled Runway Arrival changed to May-20-2026 5:00 PM
19 May
05:58
00:58
01:58
Gate Adjustment
Baggage changed to 2
19 May
04:12
23:12
00:12
Gate Adjustment
Arrival Gate changed to 6
19 May
01:05
20:05
21:05
Equipment Adjustment
Tail Number changed from N746YX to N780YX
18 May
23:11
18:11
19:11
Gate Adjustment
Departure Gate changed to F20
18 May
01:05
20:05
21:05
Time Adjustment
Estimated Gate Departure changed to May-20-2026 1:55 PM
Estimated Gate Arrival changed to May-20-2026 5:07 PM
Tail Number changed to N746YX
Actual Equipment changed to E75
17 May
18:46
13:46
14:46
Record Created
17 May
18:46
13:46
14:46
Time Adjustment
Scheduled Gate Departure changed to May-20-2026 1:55 PM
Scheduled Gate Arrival changed to May-20-2026 5:07 PM
Departure Terminal changed to 2
Scheduled Equipment changed to E7W