(UA) United Airlines 3550 Flight Details
On time | Arrived
Departure
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
21-Sep-2026
Scheduled
07:15
CDT
Actual
07:18
CDT
Total Departure Delay: 3 mins
Flight Runway Times
21-Sep-2026
Scheduled
07:49
CDT
Actual
07:50
CDT
Runway Delay: 1 min
Terminal
1
Gate
C4
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 39m
Arrival
SDF
Louisville Muhammad Ali International Airport, KY, US
Flight Gate Times
21-Sep-2026
Scheduled
09:54
EDT
Actual
09:54
EDT
Total Arrival Delay: -
Flight Runway Times
21-Sep-2026
Scheduled
09:45
EDT
Actual
09:45
EDT
Runway Delay: -
Terminal
-
Gate
A11
Baggage Claim
1
Tail Number
N784YX
Flight Time
Actual
1h 36m
Flight Notes
Operated by Republic Airways on behalf of United Airlines
Also marketed as (AC) Air Canada 3512
Event Timeline
Date
Event
Data Updated
21 Sep
14:35
09:35
10:35
Gate Adjustment
Baggage changed from A to 1
21 Sep
13:55
08:55
09:55
Time Adjustment
Estimated Gate Arrival changed from Sep-21-2026 9:51 AM to Sep-21-2026 9:54 AM
Actual Gate Arrival changed to Sep-21-2026 9:54 AM
21 Sep
13:50
08:50
09:50
Time Adjustment
Estimated Gate Arrival changed from Sep-21-2026 10:05 AM to Sep-21-2026 9:51 AM
21 Sep
13:46
08:46
09:46
Status Landed
Estimated Runway Arrival changed from Sep-21-2026 9:56 AM to Sep-21-2026 9:45 AM
Actual Runway Arrival changed to Sep-21-2026 9:45 AM
Status changed from Active to Landed
21 Sep
12:56
07:56
08:56
Time Adjustment
Estimated Runway Arrival changed from Sep-21-2026 9:30 AM to Sep-21-2026 9:56 AM
Estimated Gate Arrival changed from Sep-21-2026 9:39 AM to Sep-21-2026 10:05 AM
21 Sep
12:52
07:52
08:52
Time Adjustment
Estimated Runway Departure changed from Sep-21-2026 7:51 AM to Sep-21-2026 7:50 AM
Actual Runway Departure changed from Sep-21-2026 7:51 AM to Sep-21-2026 7:50 AM
21 Sep
12:51
07:51
08:51
Time Adjustment
Estimated Runway Departure changed from Sep-21-2026 7:49 AM to Sep-21-2026 7:51 AM
Actual Runway Departure changed to Sep-21-2026 7:51 AM
21 Sep
12:20
07:20
08:20
Time Adjustment
Estimated Gate Arrival changed from Sep-21-2026 9:54 AM to Sep-21-2026 9:39 AM
21 Sep
12:19
07:19
08:19
Status Active
Estimated Gate Departure changed from Sep-21-2026 7:15 AM to Sep-21-2026 7:18 AM
Actual Gate Departure changed to Sep-21-2026 7:18 AM
Status changed from Scheduled to Active
21 Sep
11:15
06:15
07:15
Time Adjustment
Estimated Runway Arrival changed to Sep-21-2026 9:30 AM
21 Sep
11:15
06:15
07:15
Time Adjustment
Estimated Runway Departure changed to Sep-21-2026 7:49 AM
21 Sep
08:50
03:50
04:50
Gate Adjustment
Arrival Gate changed from A15 to A11
21 Sep
08:35
03:35
04:35
Gate Adjustment
Arrival Gate changed from A11 to A15
21 Sep
08:25
03:25
04:25
Gate Adjustment
Arrival Gate changed from A15 to A11
21 Sep
08:15
03:15
04:15
Gate Adjustment
Arrival Gate changed to A15
Baggage changed to A
21 Sep
07:02
02:02
03:02
Equipment Adjustment
Tail Number changed from N732YX to N784YX
21 Sep
04:32
23:32
00:32
Gate Adjustment
Departure Gate changed from C6 to C4
21 Sep
01:02
20:02
21:02
Equipment Adjustment
Tail Number changed from N745YX to N732YX
20 Sep
12:21
07:21
08:21
Time Adjustment
Scheduled Runway Departure changed to Sep-21-2026 7:49 AM
Scheduled Runway Arrival changed to Sep-21-2026 9:45 AM
20 Sep
07:02
02:02
03:02
Equipment Adjustment
Tail Number changed from N743YX to N745YX
19 Sep
17:02
12:02
13:02
Gate Adjustment
Departure Gate changed to C6
Departure Terminal changed from 2 to 1
19 Sep
01:03
20:03
21:03
Time Adjustment
Estimated Gate Departure changed to Sep-21-2026 7:15 AM
Estimated Gate Arrival changed to Sep-21-2026 9:54 AM
Tail Number changed to N743YX
Actual Equipment changed to E75
18 Sep
18:49
13:49
14:49
Record Created
18 Sep
18:49
13:49
14:49
Time Adjustment
Scheduled Gate Departure changed to Sep-21-2026 7:15 AM
Scheduled Gate Arrival changed to Sep-21-2026 9:54 AM
Departure Terminal changed to 2
Scheduled Equipment changed to E7W