| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 08 | SAN | BOS | 14:15 | 22:15 |
Delayed
|
Track > |
| Oct 03 | SAN | BOS | 23:00 | 06:44 |
Landed
|
Track > |
| Sep 08 | SAN | BOS | 11:34 | 19:25 |
Landed Late
|
Track > |
| Sep 07 | SAN | BOS | 11:07 | 19:06 |
Landed
|
Track > |
| Sep 06 | SAN | BOS | 14:07 | 22:10 |
Delayed
|
Track > |
| Sep 04 | SAN | BOS | 10:44 | 18:42 |
Landed
|
Track > |
| Sep 03 | SAN | BOS | 10:48 | 18:42 |
Landed
|
Track > |
| Sep 02 | SAN | BOS | 12:43 | 20:41 |
Delayed
|
Track > |
| Sep 01 | SAN | BOS | 10:33 | 18:41 |
En-Route
|
Track > |
| Aug 31 | SAN | BOS | 12:33 | 20:32 |
Delayed
|
Track > |
TAP Portugal Flight TP4378 connects San Diego, United States to Boston, United States, taking off from San Diego International Airport SAN and landing at Boston Logan International Airport BOS.
How long is the TP4378 flight from San Diego to Boston?
The average flight time from San Diego to Boston is 4 hours and 57 minutes. The flight distance is 4156 km / 2582 miles and the average flight speed is 839 km/h / 521 mph.
How many TP4378 flights are operated per week?
2 flights per week. The flight TP4378 is operated on Thursday and Sunday.
What is the On-Time Performance (OTP) of TAP Portugal Flight TP4378 San Diego to Boston?
The Airportia On-Time Performance Rating for TAP Portugal Flight TP4378 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight TP4378 arriving at?
Flight TP4378 arrives at Boston Logan International Airport (BOS) Terminal C.
When was the latest TP4378 flight?
The latest flight took off on Friday, October 9th, 2026 with the flight status being En-Route on 22:15.
How else can the flight TP4378 be referenced as?
This TAP Portugal flight can also be referenced as TAP4378, TP 4378, TAP 4378.
How often is flight TP4378 delayed?
On average, 70% of all TP4378 flights are delayed. The average delay is 78 minutes.
Can I get compensation for my delayed or cancelled TP4378 flight or baggage issues?
If your TP4378 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 TP4378 Flight Tracker above for more details.
Other flights departing from San Diego SAN: B6620, UA2309, WN1213, WN4374
Other flights arriving at Boston BOS: TP215, B6620, YX5789, YX4726
All flights connecting San Diego SAN to Boston BOS.
