| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 20 | BOS | SFO | 23:53 | 02:46 |
Delayed
|
Track > |
| Jul 19 | BOS | SFO | 23:11 | 01:49 |
Delayed
|
Track > |
| Jul 18 | BOS | SFO | 22:29 | 01:15 |
Delayed
|
Track > |
| Jul 17 | BOS | SFO | 21:43 | 00:42 |
Landed
|
Track > |
| Jul 16 | BOS | SFO | 21:50 | 00:40 |
Landed
|
Track > |
| Jul 15 | BOS | SFO | 21:52 | 00:41 |
Landed
|
Track > |
| Jul 14 | BOS | SFO | 21:39 | 00:10 |
Landed
|
Track > |
| Jul 13 | BOS | SFO | 22:23 | 00:41 |
Landed
|
Track > |
| Jul 12 | BOS | SFO | 21:43 | 22:35 |
Diverted
|
Track > |
| Claim > | ||||||
| Jul 11 | BOS | SFO | 21:12 | 23:49 |
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 5 hours and 31 minutes. The flight distance is 4341 km / 2697 miles and the average flight speed is 798 km/h / 496 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 4.5/5 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 Tuesday, July 21st, 2026 with the flight status being En-Route on 02:46.
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, 70% of all TP4399 flights are delayed. The average delay is 43 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: B6206, B6413, DL2919, DL5655
Other flights arriving at San Francisco SFO: B6413, DL2919, UA2106, KJ283
All flights connecting Boston BOS to San Francisco SFO.
