| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 01 | BOS | SFO | 16:25 | 19:59 |
En-Route
|
Track > |
| Jul 31 | BOS | SFO | 16:11 | 18:50 |
Landed
|
Track > |
| Jul 30 | BOS | SFO | 16:25 | 19:10 |
Landed
|
Track > |
| Jul 29 | BOS | SFO | 16:17 | 19:02 |
Landed
|
Track > |
| Jul 27 | BOS | SFO | 16:36 | 19:34 |
Landed
|
Track > |
| Jul 26 | BOS | SFO | 16:56 | 19:45 |
Landed Late
|
Track > |
| Jul 25 | BOS | SFO | 16:05 | 18:50 |
Landed
|
Track > |
| Jul 24 | BOS | SFO | 16:10 | 19:20 |
Landed
|
Track > |
| Jul 23 | BOS | SFO | 16:19 | 19:28 |
Landed
|
Track > |
| Jul 22 | BOS | SFO | 18:59 | 21:54 |
Delayed
|
Track > |
Singapore Airlines Flight SQ1539 connects Boston, United States to San Francisco, United States, taking off from Boston Logan International Airport BOS and landing at San Francisco International Airport SFO.
How long is the SQ1539 flight from Boston to San Francisco?
The average flight time from Boston to San Francisco is 5 hours and 52 minutes. The flight distance is 4341 km / 2697 miles and the average flight speed is 731 km/h / 454 mph.
How many SQ1539 flights are operated per week?
6 flights per week. The flight SQ1539 is operated on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Singapore Airlines Flight SQ1539 Boston to San Francisco?
The Airportia On-Time Performance Rating for Singapore Airlines Flight SQ1539 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight SQ1539 arriving at?
Flight SQ1539 arrives at San Francisco International Airport (SFO) Terminal 1.
When was the latest SQ1539 flight?
The latest flight took off on Sunday, August 2nd, 2026 with the flight status being En-Route on 19:59.
How else can the flight SQ1539 be referenced as?
This Singapore Airlines flight can also be referenced as SIA1539, SQ 1539, SIA 1539.
How often is flight SQ1539 delayed?
On average, 40% of all SQ1539 flights are delayed. The average delay is 48 minutes.
Can I get compensation for my delayed or cancelled SQ1539 flight or baggage issues?
If your SQ1539 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our SQ1539 Flight Tracker above for more details.
Other flights departing from Boston BOS: B6233, DL318, DL2196, WN211
Other flights arriving at San Francisco SFO: B6233, DL363, UA1726, UA1722
All flights connecting Boston BOS to San Francisco SFO.
