How long is the BT5399 flight?

The timetable allows 6 h 35 min. Boston to Lisbon is 5,124 km (3,184 mi).

Which terminal does BT5399 use?

It usually leaves from Terminal C at Boston Logan International Airport (BOS) and arrives at Terminal 1 at Lisbon Humberto Delgado Airport (LIS). Check the flight card above for today's terminal and gate.

What other flight numbers does BT5399 have?

Also listed as BTI5399 (airBaltic's ICAO code) and BT 5399.

Can I get compensation if BT5399 is delayed or cancelled?

Up to €600 per passenger may be due under EU261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Arriving in the EU on an EU carrier, this flight is covered by EU261.

BT5399 Flight Status airBaltic: Boston to Lisbon (BTI5399)

airBaltic BT 5399

Landed On Time

BOS Boston

Scheduled: 18:00
Actual: 18:11

Terminal: C | Gate: C18

Departure: Sun, Nov 8, 2026 · local time EST

Boston Logan International Airport (BOS)

All BOS Departures >

LIS Lisbon

Scheduled: 05:35
Actual: 05:08
Delay

Terminal: 1

Arrival: Mon, Nov 9, 2026 · local time WET

Lisbon Humberto Delgado Airport (LIS)

All LIS Arrivals >

Landed 6h 24m ago 100%

BOS 18:11 LIS 05:08 ⁺¹

5,124 km (3,184 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 5124 km / 3184 miles · Scheduled Duration: 06:35 · Actual Duration: 05:57

Flight issues? Claim up to €600 >

BT 5399 Flight Status & Schedule airBaltic Boston to Lisbon

Date	From	To	Departure	Arrival	Status	Details
Nov 08	BOS	LIS	18:11	05:08	Landed	Track >
Nov 06	BOS	LIS	18:06	05:18	Landed	Track >
Nov 05	BOS	LIS	18:06	05:22	Landed	Track >
Nov 04	BOS	LIS	18:17	05:13	Landed	Track >
Nov 02	BOS	LIS	18:14	05:13	Landed	Track >
Nov 01	BOS	LIS	18:12	05:11	Landed	Track >

airBaltic operates BT 5399 from Boston to Lisbon, a 5,124 km (3,184 mi) trip, four times a week (Wednesday, Thursday, Friday and Sunday). Its timetable allows 6 h 35 min; in practice it usually takes about 6 h, so it often makes up time. Yesterday it left on time and landed at 05:08 the next morning, 27 minutes early.

< All Boston BOS Departures All Lisbon LIS Arrivals >

About BT 5399

Route: Boston Logan International Airport BOS to Lisbon Humberto Delgado Airport LIS
Distance: 5,124 km (3,184 mi)
Typical flight time: 6 h
Flies: Wed, Thu, Fri, Sun
On time: 6 of the last 6
Usually departs from: Terminal C

Arriving in the EU on an EU carrier, this flight is covered by EU261. Yesterday's flight landed 27 minutes early, so no delay compensation applies; it starts at 3 hours late on arrival.

BT 5399 FAQ

How long is the BT5399 flight?: The timetable allows 6 h 35 min. Boston to Lisbon is 5,124 km (3,184 mi).
How often is BT5399 late?: None of the last 6 flights arrived 15 or more minutes late.
Which days does BT5399 fly?: Four times a week: Wednesday, Thursday, Friday and Sunday, based on the schedule of the last 7 days.
Which terminal does BT5399 use?: It usually leaves from Terminal C at Boston Logan International Airport (BOS) and arrives at Terminal 1 at Lisbon Humberto Delgado Airport (LIS). Check the flight card above for today's terminal and gate.
What other flight numbers does BT5399 have?: Also listed as BTI5399 (airBaltic's ICAO code) and BT 5399.
Can I get compensation if BT5399 is delayed or cancelled?: Up to €600 per passenger may be due under EU261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Arriving in the EU on an EU carrier, this flight is covered by EU261.

BT5399 and Boston BOS to Lisbon LIS Flights

Flight BT5399 is a code-share airBaltic flight of the TAP Portugal operated TP218.

Other flights departing from Boston BOS: UA1783, B61307, YX5667, YX5831

Other flights arriving at Lisbon LIS: TP172, TP218

All flights connecting Boston BOS to Lisbon LIS.