(UA) United Airlines 558 Flight Details
On time | Scheduled
Departure
DEN
Denver International Airport, CO, US
Flight Gate Times
25-Sep-2026
Scheduled
07:45
MDT
Estimated
07:45
MDT
Total Departure Delay: -
Flight Runway Times
25-Sep-2026
Scheduled
08:03
MDT
Estimated
08:03
MDT
Runway Delay: -
Terminal
-
Gate
B31
Craft Type
Boeing 737-900 Passenger (Scimitar Winglets)
7S9
Flight Time
Scheduled
4h 1m
Arrival
BOS
Boston Logan International Airport, MA, US
Flight Gate Times
25-Sep-2026
Scheduled
13:46
EDT
Estimated
13:36
EDT
Total Arrival Delay: -
Flight Runway Times
25-Sep-2026
Scheduled
13:35
EDT
Estimated
13:31
EDT
Runway Delay: -
Terminal
B
Gate
B25
Baggage Claim
6
Tail Number
N66828
Flight Time
Estimated
3h 51m
Flight Notes
Also marketed as (AZ) ITA Airways 4388
Event Timeline
Date
Event
Data Updated
25 Sep
13:42
07:42
09:42
Time Adjustment
Estimated Runway Arrival changed from Sep-25-2026 1:35 PM to Sep-25-2026 1:31 PM
Estimated Gate Arrival changed from Sep-25-2026 1:46 PM to Sep-25-2026 1:36 PM
25 Sep
11:08
05:08
07:08
Time Adjustment
Estimated Runway Departure changed to Sep-25-2026 8:03 AM
Estimated Runway Arrival changed to Sep-25-2026 1:35 PM
25 Sep
11:08
05:08
07:08
Time Adjustment
Scheduled Runway Arrival changed from Sep-25-2026 1:41 PM to Sep-25-2026 1:35 PM
25 Sep
04:08
22:08
00:08
Equipment Adjustment
Tail Number changed from N37413 to N66828
25 Sep
01:32
19:32
21:32
Gate Adjustment
Departure Gate changed from B15 to B31
24 Sep
21:26
15:26
17:26
Gate Adjustment
Departure Gate changed from B29 to B15
24 Sep
17:50
11:50
13:50
Gate Adjustment
Arrival Gate changed to B25
24 Sep
13:51
07:51
09:51
Time Adjustment
Scheduled Runway Departure changed from Sep-25-2026 7:55 AM to Sep-25-2026 8:03 AM
Scheduled Runway Arrival changed from Sep-25-2026 1:24 PM to Sep-25-2026 1:41 PM
24 Sep
13:46
07:46
09:46
Time Adjustment
Scheduled Runway Departure changed to Sep-25-2026 7:55 AM
Scheduled Runway Arrival changed to Sep-25-2026 1:24 PM
24 Sep
04:32
22:32
00:32
Time Adjustment
Estimated Gate Departure changed to Sep-25-2026 7:45 AM
Estimated Gate Arrival changed to Sep-25-2026 1:46 PM
Departure Gate changed to B29
Baggage changed to 6
Tail Number changed to N37413
Actual Equipment changed to 7S9
22 Sep
18:51
12:51
14:51
Record Created
22 Sep
18:51
12:51
14:51
Time Adjustment
Scheduled Gate Departure changed to Sep-25-2026 7:45 AM
Scheduled Gate Arrival changed to Sep-25-2026 1:46 PM
Arrival Terminal changed to B
Scheduled Equipment changed to 739