Landed On Time
Departure: Fri, Jul 3, 2026
Scheduled:
10:20
|
Actual:
10:28
Arrival: Fri, Jul 3, 2026
Scheduled:
19:07
|
Actual:
18:47
Flight Issues? Claim up to 600€/$ Compensation >

TP 4378 Flight Status & Schedule

Date Departure Arrival Status
Jul 03 10:28 18:47
Landed
Track >
Jul 02 10:50 18:51
Landed
Track >
Jul 01 13:32 21:29
Delayed
Track >
Jun 30 10:35 18:52
Landed
Track >
Jun 29 10:34 18:30
Landed
Track >

TAP Portugal TP 4378 San Diego to Boston Flight Information

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 59 minutes. The flight distance is 4156 km / 2582 miles and the average flight speed is 833 km/h / 518 mph.

How many TP4378 flights are operated per week?

5 flights per week. The flight TP4378 is operated on Monday, Tuesday, Wednesday, Thursday and Friday.

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 4.8/5 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, July 3rd, 2026 with the flight status being Landed on 18:47.

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, 20% of all TP4378 flights are delayed. The average delay is 72 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.

TP4378 and San Diego SAN to Boston BOS Flights

Other flights departing from San Diego SAN: B6620, UA2165, WN2618, WN4954

Other flights arriving at Boston BOS: IB345, B6620, AA3207, AA4346

All flights connecting San Diego SAN to Boston BOS.

TP4378 TAP Portugal Flight: San Diego to Boston Route Map

TP4378 TAP Portugal Flight Map: San Diego to Boston
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.