| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 04 | BOS | SFO | 21:45 | 00:55 |
En-Route
|
Track > |
| Sep 03 | BOS | SFO | 22:06 | 01:26 |
Landed Late
|
Track > |
| Sep 02 | BOS | SFO | 23:27 | 02:43 |
Delayed
|
Track > |
| Sep 01 | BOS | SFO | 21:40 | 01:04 |
Landed
|
Track > |
| Aug 31 | BOS | SFO | 21:54 | 01:19 |
Landed Late
|
Track > |
| Aug 30 | BOS | SFO | 21:37 | 00:36 |
Landed
|
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| Aug 29 | BOS | SFO | 21:13 | 00:32 |
Landed
|
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| Aug 28 | BOS | SFO | 21:08 | 00:07 |
Landed
|
Track > |
| Aug 27 | BOS | SFO | 22:01 | 01:06 |
Landed Late
|
Track > |
| Aug 26 | BOS | SFO | 20:53 | 00:00 |
Landed
|
Track > |
TAP Portugal Flight TP4399 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 TP4399 flight from Boston to San Francisco?
The average flight time from Boston to San Francisco is 6 hours and 12 minutes. The flight distance is 4341 km / 2697 miles and the average flight speed is 700 km/h / 435 mph.
How many TP4399 flights are operated per week?
7 flights per week. The flight TP4399 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of TAP Portugal Flight TP4399 Boston to San Francisco?
The Airportia On-Time Performance Rating for TAP Portugal Flight TP4399 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight TP4399 arriving at?
Flight TP4399 arrives at San Francisco International Airport (SFO) Terminal 1.
When was the latest TP4399 flight?
The latest flight took off on Saturday, September 5th, 2026 with the flight status being En-Route on 00:55.
How else can the flight TP4399 be referenced as?
This TAP Portugal flight can also be referenced as TAP4399, TP 4399, TAP 4399.
How often is flight TP4399 delayed?
On average, 80% of all TP4399 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled TP4399 flight or baggage issues?
If your TP4399 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 TP4399 Flight Tracker above for more details.
Other flights departing from Boston BOS: B6413, B633, YX5594, YX5655
Other flights arriving at San Francisco SFO: AA177, AA1650, B6413, UA2106
All flights connecting Boston BOS to San Francisco SFO.
