UA551 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA551, which currently operates between the airports of Denver - Denver International Airport (Airport Code DEN) and Pittsburgh - Pittsburgh International Airport (Airport Code PIT).
This flight data pertains specifically to the flight's details for Sunday, December 07, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA551
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA551
UA551 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
UA551 United Airlines from Denver
Scheduled - On-time
Flight Status for Sunday December 07, 2025
This flight was also scheduled for Yesterday (December 06, 2025). See it here
This flight is also scheduled for Tomorrow (December 08, 2025). See it here
Scheduled - On-time
Flight Status for Sunday December 07, 2025
Airline information
United Airlines
Equipment: Boeing 737-900 (winglets) Passenger/BBJ3
Departure
Denver (DEN)
December 07, 2025
Denver International Airport
Estimated Departure Time:
05:25 pm
Terminal:
-
Gate:
B26
Scheduled Departure Time: 05:25 pm
Arrival
Pittsburgh (PIT)
December 07, 2025
Pittsburgh International Airport
Estimated Arrival Time:
10:25 pm
Gate:
A2
Scheduled Arrival Time: 10:25 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.pittsburgh-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Additional Information
Which is the frequency of flight UA551?
The flight UA551 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA551?
The distance between the two airports is 1286 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Denver: 2025-12-07 04:49:34
Current Time in Pittsburgh: 2025-12-07 06:49:34
The flight UA551 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA551?
The distance between the two airports is 1286 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Denver: 2025-12-07 04:49:34
Current Time in Pittsburgh: 2025-12-07 06:49:34
Alternative Flights
The following airlines serves the same route between Denver and Pittsburgh:
United Airlines
- Flight Number: UA1308. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: UA1333. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: UA651. (On Time performance: 94 - Average Delay: 2 minutes)
Southwest Airlines
- Flight Number: WN2603. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: WN2605. (On Time performance: 68 - Average Delay: 24 minutes)
- Flight Number: WN623. (On Time performance: 100 - Average Delay: 2 minutes)
United Airlines
- Flight Number: UA1308. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: UA1333. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: UA651. (On Time performance: 94 - Average Delay: 2 minutes)
Southwest Airlines
- Flight Number: WN2603. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: WN2605. (On Time performance: 68 - Average Delay: 24 minutes)
- Flight Number: WN623. (On Time performance: 100 - Average Delay: 2 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA551
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
06 December
06 December
05:22 pm
Denver (DEN)
Denver (DEN)
10:09 pm
Pittsburgh (PIT)
Pittsburgh (PIT)
02h 47min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
05 December
05 December
05:26 pm
Denver (DEN)
Denver (DEN)
10:11 pm
Pittsburgh (PIT)
Pittsburgh (PIT)
02h 45min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
04 December
04 December
05:33 pm
Denver (DEN)
Denver (DEN)
10:23 pm
Pittsburgh (PIT)
Pittsburgh (PIT)
02h 50min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
03 December
03 December
05:35 pm
Denver (DEN)
Denver (DEN)
10:58 pm
Pittsburgh (PIT)
Pittsburgh (PIT)
03h 23min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Tuesday
02 December
02 December
05:33 pm
Denver (DEN)
Denver (DEN)
10:20 pm
Pittsburgh (PIT)
Pittsburgh (PIT)
02h 47min
Boeing 737MAX
Boeing 737MAX
Landed - On-time