Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

AS2421 Alaska Airlines - Flight Status

Codeshare Flights
The flight QR2135 from Qatar Airways (QR) is a codeshare flight operated by Alaska Airlines (AS) under the flight number AS2421. Check this page for details about flight AS2421.

Below, you can find details about Alaska Airlines flight AS2421, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Bozeman - Bozeman Yellowstone International Airport (Airport Code BZN).
This flight data pertains specifically to the flight's details for Thursday, June 04, 2026.

AS2421 On Time performance:
87
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

AS2421 Alaska Airlines to Bozeman

Scheduled - On-time
Flight Status for Thursday June 04, 2026
This flight was also scheduled for Yesterday (June 02, 2026). See it here
This flight is also scheduled for Today (June 03, 2026). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Seattle (SEA)
June 04, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
12:55 pm
Gate:
C16D
Scheduled Departure Time: 12:55 pm

Arrival

Bozeman (BZN)
June 04, 2026
Bozeman Yellowstone International Airport
Estimated Arrival Time:
03:32 pm
Terminal:
-
Gate:
B5
Scheduled Arrival Time: 03:32 pm
Baggage: 1
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.seattle-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.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- QR2135 - Qatar Airways

Additional Information

Which is the frequency of flight AS2421?
The flight AS2421 is scheduled to flight on daily basis.

Which is the distance of flight AS2421?
The distance between the two airports is 541 miles.

Which is the flight time of flight AS2421?
The scheduled flight time gate to gate is: 01:37 hours.
The real flight time gate to gate on average is: 01:36 hours.

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: 2026-06-03 12:43:41
Current Time in Bozeman: 2026-06-03 13:43:41

Alternative Flights

The following airlines serves the same route between Seattle and Bozeman:

Alaska Airlines
- Flight Number: AS1539. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: AS2183. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: AS2252. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: AS2403. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: AS3183. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: AS553. (On Time performance: 83 - Average Delay: 9 minutes)

Delta Air Lines
- Flight Number: DL4039. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: DL4104. (On Time performance: 84 - Average Delay: 6 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from May 13, 2026 to May 27, 2026, we have obtained these figures.
Total number of flights: 15
On Time: 13 ( 87 % )
Moderate Delay: 1 ( 7 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 7 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 9 minutes.
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 AS2421

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
02 June
01:10 pm
Seattle (SEA)
03:59 pm
Bozeman (BZN)
01h 49min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Monday
01 June
12:48 pm
Seattle (SEA)
03:27 pm
Bozeman (BZN)
01h 39min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
31 May
12:53 pm
Seattle (SEA)
03:30 pm
Bozeman (BZN)
01h 37min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
30 May
01:05 pm
Seattle (SEA)
04:00 pm
Bozeman (BZN)
01h 55min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Friday
29 May
01:25 pm
Seattle (SEA)
04:09 pm
Bozeman (BZN)
01h 44min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Thursday
28 May
12:57 pm
Seattle (SEA)
03:31 pm
Bozeman (BZN)
01h 34min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
27 May
12:56 pm
Seattle (SEA)
03:42 pm
Bozeman (BZN)
01h 46min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
26 May
01:20 pm
Seattle (SEA)
04:39 pm
Bozeman (BZN)
02h 19min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Monday
25 May
12:50 pm
Seattle (SEA)
03:18 pm
Bozeman (BZN)
01h 28min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
24 May
12:58 pm
Seattle (SEA)
03:27 pm
Bozeman (BZN)
01h 29min
Embraer 175 (E
Embraer 175 (E
Landed - On-time