(UA) United Airlines 5539 Flight Details
On time | Scheduled
Departure
SFO
San Francisco International Airport, CA, US
Flight Gate Times
21-Jan-2026
Scheduled
16:10
PST
Estimated
16:10
PST
Total Departure Delay: -
Flight Runway Times
21-Jan-2026
Scheduled
16:32
PST
Actual
--
Runway Delay: -
Terminal
3
Gate
E6
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 23m
Arrival
ACV
California Redwood Coast Humboldt County Airport, CA, US
Flight Gate Times
21-Jan-2026
Scheduled
17:33
PST
Estimated
17:33
PST
Total Arrival Delay: -
Flight Runway Times
21-Jan-2026
Scheduled
17:28
PST
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N152SY
Flight Time
Estimated
1h 23m
Flight Notes
Operated by SkyWest Airlines on behalf of United Airlines
Also marketed as (EK) Emirates 6490, (NZ) Air New Zealand 9339
Event Timeline
Date
Event
Data Updated
21 Jan
16:13
08:13
08:13
Gate Adjustment
Departure Gate changed from D16 to E6
Departure Terminal changed from 2 to 3
21 Jan
16:07
08:07
08:07
Gate Adjustment
Departure Gate changed from D15 to D16
21 Jan
14:01
06:01
06:01
Gate Adjustment
Departure Gate changed from F11 to D15
Departure Terminal changed from 3 to 2
21 Jan
14:01
06:01
06:01
Gate Adjustment
Departure Gate changed to F11
Departure Terminal changed from INTL to 3
21 Jan
14:01
06:01
06:01
Gate Adjustment
Departure Gate changed from F6
Departure Terminal changed from 3 to INTL
21 Jan
13:13
05:13
05:13
Equipment Adjustment
Tail Number changed from N122SY to N152SY
21 Jan
00:16
16:16
16:16
Time Adjustment
Scheduled Runway Departure changed from Jan-21-2026 4:20 PM to Jan-21-2026 4:32 PM
Scheduled Runway Arrival changed from Jan-21-2026 5:05 PM to Jan-21-2026 5:28 PM
21 Jan
00:11
16:11
16:11
Time Adjustment
Scheduled Runway Departure changed to Jan-21-2026 4:20 PM
Scheduled Runway Arrival changed to Jan-21-2026 5:05 PM
20 Jan
22:55
14:55
14:55
Gate Adjustment
Departure Gate changed to F6
19 Jan
04:07
20:07
20:07
Time Adjustment
Estimated Gate Departure changed to Jan-21-2026 4:10 PM
Estimated Gate Arrival changed to Jan-21-2026 5:33 PM
Tail Number changed to N122SY
Actual Equipment changed to E75
18 Jan
18:44
10:44
10:44
Record Created
18 Jan
18:44
10:44
10:44
Time Adjustment
Scheduled Gate Departure changed to Jan-21-2026 4:10 PM
Scheduled Gate Arrival changed to Jan-21-2026 5:33 PM
Departure Terminal changed to 3
Scheduled Equipment changed to E7W