UA1479 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA1479, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Denver - Denver International Airport (Airport Code DEN).
This flight data pertains specifically to the flight's details for Sunday, December 21, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1479
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1479
UA1479 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
UA1479 United Airlines to Denver
Scheduled - On-time
Flight Status for Sunday December 21, 2025
This flight was also scheduled for Yesterday (December 20, 2025). See it here
This flight is also scheduled for Tomorrow (December 22, 2025). See it here
Scheduled - On-time
Flight Status for Sunday December 21, 2025
Departure
Seattle (SEA)
December 21, 2025
Seattle-Tacoma International Airport
Estimated Departure Time:
05:02 am
Gate:
B7A
Scheduled Departure Time: 05:02 am
Arrival
Denver (DEN)
December 21, 2025
Denver International Airport
Estimated Arrival Time:
08:28 am
Terminal:
-
Gate:
B39
Scheduled Arrival Time: 08:51 am
Baggage: 12
Disclaimer
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Additional Information
Which is the frequency of flight UA1479?
The flight UA1479 is scheduled to flight on Thursday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA1479?
The distance between the two airports is 1022 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 Seattle: 2025-12-21 03:25:01
Current Time in Denver: 2025-12-21 04:25:01
The flight UA1479 is scheduled to flight on Thursday, Saturday, Sunday on a weekly basis.
Which is the distance of flight UA1479?
The distance between the two airports is 1022 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 Seattle: 2025-12-21 03:25:01
Current Time in Denver: 2025-12-21 04:25:01
Alternative Flights
The following airlines serves the same route between Seattle and Denver:
Alaska Airlines
- Flight Number: AS535. (On Time performance: 82 - Average Delay: 6 minutes)
- Flight Number: AS602. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: AS642. (On Time performance: 86 - Average Delay: 14 minutes)
- Flight Number: AS682. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: AS786. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: AS787.
Air Transport International
- Flight Number: 8C3360. (On Time performance: 24 - Average Delay: 43 minutes)
Delta Air Lines
- Flight Number: DL1675. (On Time performance: 71 - Average Delay: 21 minutes)
- Flight Number: DL1750. (On Time performance: 84 - Average Delay: 13 minutes)
- Flight Number: DL2740. (On Time performance: 85 - Average Delay: 9 minutes)
Frontier Airlines
- Flight Number: F93406. (On Time performance: 81 - Average Delay: 10 minutes)
United Airlines
- Flight Number: UA1218. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: UA1263. (On Time performance: 94 - Average Delay: 1 minutes)
- Flight Number: UA1374.
- Flight Number: UA1505. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA1835. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: UA2269. (On Time performance: 99 - Average Delay: -1 minutes)
- Flight Number: UA757. (On Time performance: 91 - Average Delay: 3 minutes)
Southwest Airlines
- Flight Number: WN1456. (On Time performance: 60 - Average Delay: 29 minutes)
- Flight Number: WN1567. (On Time performance: 53 - Average Delay: 25 minutes)
- Flight Number: WN1692. (On Time performance: 62 - Average Delay: 9 minutes)
- Flight Number: WN2141. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: WN290. (On Time performance: 92 - Average Delay: 6 minutes)
- Flight Number: WN734. (On Time performance: 100 - Average Delay: 0 minutes)
Alaska Airlines
- Flight Number: AS535. (On Time performance: 82 - Average Delay: 6 minutes)
- Flight Number: AS602. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: AS642. (On Time performance: 86 - Average Delay: 14 minutes)
- Flight Number: AS682. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: AS786. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: AS787.
Air Transport International
- Flight Number: 8C3360. (On Time performance: 24 - Average Delay: 43 minutes)
Delta Air Lines
- Flight Number: DL1675. (On Time performance: 71 - Average Delay: 21 minutes)
- Flight Number: DL1750. (On Time performance: 84 - Average Delay: 13 minutes)
- Flight Number: DL2740. (On Time performance: 85 - Average Delay: 9 minutes)
Frontier Airlines
- Flight Number: F93406. (On Time performance: 81 - Average Delay: 10 minutes)
United Airlines
- Flight Number: UA1218. (On Time performance: 87 - Average Delay: 9 minutes)
- Flight Number: UA1263. (On Time performance: 94 - Average Delay: 1 minutes)
- Flight Number: UA1374.
- Flight Number: UA1505. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA1835. (On Time performance: 88 - Average Delay: 8 minutes)
- Flight Number: UA2269. (On Time performance: 99 - Average Delay: -1 minutes)
- Flight Number: UA757. (On Time performance: 91 - Average Delay: 3 minutes)
Southwest Airlines
- Flight Number: WN1456. (On Time performance: 60 - Average Delay: 29 minutes)
- Flight Number: WN1567. (On Time performance: 53 - Average Delay: 25 minutes)
- Flight Number: WN1692. (On Time performance: 62 - Average Delay: 9 minutes)
- Flight Number: WN2141. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: WN290. (On Time performance: 92 - Average Delay: 6 minutes)
- Flight Number: WN734. (On Time performance: 100 - Average Delay: 0 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 UA1479
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
20 December
20 December
04:59 am
Seattle (SEA)
Seattle (SEA)
08:32 am
Denver (DEN)
Denver (DEN)
02h 33min
Airbus A320
Airbus A320
Landed - On-time
Friday
19 December
19 December
05:00 am
Seattle (SEA)
Seattle (SEA)
08:41 am
Colorado Springs (COS)
Colorado Springs (COS)
02h 41min
Airbus A320
Airbus A320
Landed - DIVERTED
Thursday
18 December
18 December
04:59 am
Seattle (SEA)
Seattle (SEA)
08:23 am
Denver (DEN)
Denver (DEN)
02h 24min
Airbus A320
Airbus A320
Landed - On-time
