How long is the KL8203 flight?

The timetable allows 6 h 50 min. Boston to Madrid is 5,473 km (3,401 mi).

Which terminal does KL8203 use?

It usually leaves from Terminal E at Boston Logan International Airport (BOS) and arrives at Terminal 1 at Madrid Barajas Airport (MAD). Check the flight card above for today's terminal and gate.

What other flight numbers does KL8203 have?

Also listed as KLM8203 (KLM's ICAO code) and KL 8203.

Can I get compensation if KL8203 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.

KL8203 Flight Status KLM: Boston to Madrid (KLM8203)

KL 8203 Boston to Madrid Flight Status

Not scheduled today. Latest flight: October 23rd, 2026 ; recent history is in the table below.

KL 8203 Flight Status & Schedule KLM Boston to Madrid

Date	From	To	Departure	Arrival	Status	Details
Oct 23	BOS	MAD	18:56	07:00	Landed Late	Track >
Oct 22	BOS	MAD	17:58	05:52	Landed	Track >
Oct 21	BOS	MAD	18:02	05:51	Landed	Track >
Oct 20	BOS	MAD	18:07	05:46	Landed	Track >
Oct 19	BOS	MAD	17:56	06:07	Landed	Track >
Oct 18	BOS	MAD	18:39	07:12	Delayed	Track >
Oct 17	BOS	MAD	17:53	05:49	Landed	Track >
Oct 16	BOS	MAD	17:51	05:53	Landed	Track >
Oct 15	BOS	MAD	17:54	06:04	Landed	Track >
Oct 14	BOS	MAD	17:43	05:47	Landed	Track >

KLM flight KL 8203 links Boston and Madrid, 5,473 km (3,401 mi) apart. Its timetable allows 6 h 50 min; in practice it usually takes about 6 h, so it often makes up time. It is not flying today; the last flight, on 23 October 2026, landed 40 minutes late.

< All Boston BOS Departures All Madrid MAD Arrivals >

About KL 8203

Route: Boston Logan International Airport BOS to Madrid Barajas Airport MAD
Distance: 5,473 km (3,401 mi)
Typical flight time: 6 h
On time: 8 of the last 9
Average delay when late: 40 min
Usually departs from: Terminal E

Arriving in the EU on an EU carrier, this flight is covered by EU261. Compensation of up to €600 per passenger can apply when it arrives 3 or more hours late or is cancelled.

KL 8203 FAQ

How long is the KL8203 flight?: The timetable allows 6 h 50 min. Boston to Madrid is 5,473 km (3,401 mi).
How often is KL8203 late?: 1 of the last 9 flights arrived 15 or more minutes late; when late, by 40 minutes on average.
Which terminal does KL8203 use?: It usually leaves from Terminal E at Boston Logan International Airport (BOS) and arrives at Terminal 1 at Madrid Barajas Airport (MAD). Check the flight card above for today's terminal and gate.
What other flight numbers does KL8203 have?: Also listed as KLM8203 (KLM's ICAO code) and KL 8203.
Can I get compensation if KL8203 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.

KL8203 and Boston BOS to Madrid MAD Flights

Flight KL8203 is a code-share KLM flight of the Delta Air Lines operated DL62.

Other flights departing from Boston BOS: DL62, WN2656

Other flights arriving at Madrid MAD: IB140, DL62, QY8340

All flights connecting Boston BOS to Madrid MAD.