TP 4393 Boston to Seattle Flight Status

TAP Portugal Flight TP4393 from Boston Logan International Airport BOS to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 2nd, 2025.
Check the table below for TP4393's most recent flight history:

TP 4393 Flight Status & Schedule

Date Departure Arrival Status
Sep 02 19:18 21:48
Landed
Track >
Sep 01 19:39 21:54
Landed
Track >
Aug 31 18:55 21:03
Landed
Track >
Aug 30 17:35 19:50
Landed
Track >
Aug 29 19:05 21:13
Landed
Track >

TAP Portugal TP 4393 Boston to Seattle Flight Information

TAP Portugal Flight TP4393 connects Boston, United States to Seattle, United States, taking off from Boston Logan International Airport BOS and landing at Seattle Tacoma International Airport SEA.

How long is the TP4393 flight from Boston to Seattle?

The average flight time from Boston to Seattle is 5 hours and 20 minutes. The flight distance is 4005 km / 2489 miles and the average flight speed is 751 km/h / 467 mph.

What is the On-Time Performance (OTP) of TAP Portugal Flight TP4393 Boston to Seattle?

The Airportia On-Time Performance Rating for TAP Portugal Flight TP4393 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest TP4393 flight?

The latest flight took off on Wednesday, September 3rd, 2025 with the flight status being Landed on 21:48.

How else can the flight TP4393 be referenced as?

This TAP Portugal flight can also be referenced as TAP4393, TP 4393, TAP 4393.

How often is flight TP4393 delayed?

On average, 20% of all TP4393 flights are delayed. The average delay is 117 minutes.

Can I get compensation for my delayed or cancelled TP4393 flight or baggage issues?

If your TP4393 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 TP4393 Flight Tracker above for more details.

TP4393 and Boston BOS to Seattle SEA Flights

Other flights departing from Boston BOS: AA1672, B6197, AC8699, NK2303

Other flights arriving at Seattle SEA: B6197, AA3332, WN3085, AS7039

All flights connecting Boston BOS to Seattle SEA.

TP4393 TAP Portugal Flight: Boston to Seattle Route Map

TP4393 TAP Portugal Flight Map: Boston to Seattle
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.