Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

AS548 Alaska Airlines - Flight Status

Below, you can find details about Alaska Airlines flight AS548, which currently operates between the airports of Boston - Boston Logan International Airport (Airport Code BOS) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Saturday, May 31, 2025.

AS548 On Time performance:
62
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

AS548 Alaska Airlines from Boston

En Route - On-time
Flight Status for Saturday May 31, 2025
This flight was also scheduled for Yesterday (May 30, 2025). See it here
This flight is also scheduled for Tomorrow (June 01, 2025). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Boeing 737-900 (winglets) Passenger/BBJ3

Departure

Boston (BOS)
May 31, 2025
Boston Logan International Airport
Departed at:
08:29 pm
Terminal:
B
Gate:
B36
Scheduled Departure Time: 07:59 pm

Arrival

San Francisco (SFO)
May 31, 2025
San Francisco International Airport
Estimated Arrival Time:
11:16 pm
Terminal:
1
Gate:
B9
Scheduled Arrival Time: 11:44 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.airport-sfo.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:

- AA9324 - American Airlines

- DE5236 - Condor

- FJ5863 - Fiji Airways

- HA4827 - Hawaiian Airlines

- QR3412 - Qatar Airways

- SQ1393 - Singapore Airlines

Additional Information

Which is the frequency of flight AS548?
The flight AS548 is scheduled to flight on daily basis.

Which is the distance of flight AS548?
The distance between the two airports is 2698 miles.

Which is the flight time of flight AS548?
The scheduled flight time gate to gate is: 06:45 hours.
The real flight time gate to gate on average is: 06:31 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 Boston: 2025-06-01 00:14:26
Current Time in San Francisco: 2025-05-31 21:14:26

Alternative Flights

The following airlines serves the same route between Boston and San Francisco:

Alaska Airlines
- Flight Number: AS1477. (On Time performance: 83 - Average Delay: 10 minutes)
- Flight Number: AS357. (On Time performance: 83 - Average Delay: 16 minutes)

JetBlue
- Flight Number: B61333. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: B61833. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: B6233. (On Time performance: 79 - Average Delay: 18 minutes)
- Flight Number: B6333. (On Time performance: 78 - Average Delay: 14 minutes)
- Flight Number: B6733. (On Time performance: 80 - Average Delay: 14 minutes)

Delta Air Lines
- Flight Number: DL1655. (On Time performance: 73 - Average Delay: 36 minutes)
- Flight Number: DL475. (On Time performance: 65 - Average Delay: 22 minutes)
- Flight Number: DL977. (On Time performance: 88 - Average Delay: 12 minutes)

United Airlines
- Flight Number: UA1008. (On Time performance: 92 - Average Delay: 5 minutes)
- Flight Number: UA1074. (On Time performance: 83 - Average Delay: 5 minutes)
- Flight Number: UA1187. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA1482. (On Time performance: 92 - Average Delay: 14 minutes)
- Flight Number: UA2400. (On Time performance: 73 - Average Delay: 16 minutes)
- Flight Number: UA2441. (On Time performance: 87 - Average Delay: 4 minutes)
- Flight Number: UA289. (On Time performance: 87 - Average Delay: 15 minutes)
- Flight Number: UA366. (On Time performance: 76 - Average Delay: 13 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 15, 2025 to May 27, 2025, we have obtained these figures.
Total number of flights: 13
On Time: 8 ( 62 % )
Moderate Delay: 1 ( 8 % )
Significant Delay: 2 ( 15 % )
Major Delay: 2 ( 15 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 22 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 AS548

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
30 May
08:04 pm
Boston (BOS)
11:09 pm
San Francisco (SFO)
06h 05min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
29 May
09:14 pm
Boston (BOS)
12:12 am
San Francisco (SFO)
05h 58min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Wednesday
28 May
07:56 pm
Boston (BOS)
10:57 pm
San Francisco (SFO)
06h 01min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
27 May
07:51 pm
Boston (BOS)
11:13 pm
San Francisco (SFO)
06h 22min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
26 May
07:50 pm
Boston (BOS)
11:21 pm
San Francisco (SFO)
06h 31min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
25 May
07:48 pm
Boston (BOS)
10:59 pm
San Francisco (SFO)
06h 11min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
24 May
07:49 pm
Boston (BOS)
11:10 pm
San Francisco (SFO)
06h 21min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
23 May
08:12 pm
Boston (BOS)
12:05 am
San Francisco (SFO)
06h 53min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
22 May
09:24 pm
Boston (BOS)
01:11 am
San Francisco (SFO)
06h 47min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
21 May
08:15 pm
Boston (BOS)
11:30 pm
San Francisco (SFO)
06h 15min
Boeing 737MAX
Boeing 737MAX
Landed - On-time