How long is the AS5257 flight?

The timetable allows 8 h 5 min. London to New York is 5,539 km (3,442 mi).

Which terminal does AS5257 use?

It usually leaves from Terminal 5 at London Heathrow Airport (LHR) and arrives at Terminal 8 at New York John F. Kennedy International Airport (JFK). Check the flight card above for today's terminal and gate.

What other flight numbers does AS5257 have?

Also listed as ASA5257 (Alaska Airlines' ICAO code) and AS 5257.

Can I get compensation if AS5257 is delayed or cancelled?

Up to £520 per passenger may be due under UK261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the UK, this flight is covered by UK261.

AS5257 Flight Status Alaska Airlines: London to New York (ASA5257)

Alaska Airlines AS 5257

En-Route, Arriving in 2h58'

LHR London

Scheduled: 11:20
Actual: 11:45

Terminal: 5 | Gate: C63

Departure: Fri, Nov 6, 2026 · local time GMT

London Heathrow Airport (LHR)

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JFK New York

Scheduled: 14:25
Estimated: 13:45
Delay

Terminal: 8

Arrival: Fri, Nov 6, 2026 · local time EST

New York John F. Kennedy International Airport (JFK)

All JFK Arrivals >

Departed 4h 01m ago · lands in 2h 58m 57%

LHR 11:45 JFK 13:45

3,183 km (1,978 mi) flown · 2,356 km (1,464 mi) to go

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

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Distance: 5539 km / 3442 miles · Scheduled Duration: 08:05 · Typical Duration: 06:55

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AS 5257 Flight Status & Schedule Alaska Airlines London to New York

Date	From	To	Departure	Arrival	Status	Details
Nov 06	LHR	JFK	11:45	13:45	En-Route	Track >
Nov 05	LHR	JFK	12:03	13:52	Landed	Track >
Nov 04	LHR	JFK	12:46	14:28	Landed	Track >
Nov 03	LHR	JFK	11:37	13:28	Landed	Track >
Nov 02	LHR	JFK	11:55	13:52	Landed	Track >
Nov 01	LHR	JFK	11:43	13:45	Landed	Track >
Oct 31	LHR	JFK	12:06	15:15	Landed	Track >
Oct 30	LHR	JFK	11:57	15:00	Landed	Track >
Oct 29	LHR	JFK	11:47	14:53	Landed	Track >
Oct 28	LHR	JFK	11:57	14:59	Landed	Track >

Alaska Airlines flight AS 5257 links London and New York, 5,539 km (3,442 mi) apart, and flies daily. With 8 h 5 min in the timetable and a usual flight time of about 6 h 55 min, it often makes up time. Today it left at 11:45, 25 minutes late, and is due in New York at 13:45, 40 minutes early.

< All London LHR Departures All New York JFK Arrivals >

About AS 5257

Route: London Heathrow Airport LHR to New York John F. Kennedy International Airport JFK
Distance: 5,539 km (3,442 mi)
Typical flight time: 6 h 55 min
Flies: Daily
On time: 9 of the last 9
Usually departs from: Terminal 5

Departing the UK, this flight is covered by UK261. Compensation of up to £520 per passenger can apply when it arrives 3 or more hours late or is cancelled.

AS 5257 FAQ

How long is the AS5257 flight?: The timetable allows 8 h 5 min. London to New York is 5,539 km (3,442 mi).
How often is AS5257 late?: None of the last 9 flights arrived 15 or more minutes late.
Which days does AS5257 fly?: Daily: it was scheduled on each of the last 7 days.
Which terminal does AS5257 use?: It usually leaves from Terminal 5 at London Heathrow Airport (LHR) and arrives at Terminal 8 at New York John F. Kennedy International Airport (JFK). Check the flight card above for today's terminal and gate.
What other flight numbers does AS5257 have?: Also listed as ASA5257 (Alaska Airlines' ICAO code) and AS 5257.
Can I get compensation if AS5257 is delayed or cancelled?: Up to £520 per passenger may be due under UK261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the UK, this flight is covered by UK261.

AS5257 and London LHR to New York JFK Flights

Flight AS5257 is a code-share Alaska Airlines flight of the British Airways operated BA173.

Other flights departing from London LHR: BA173, BA1398, DL17, TK1980

Other flights arriving at New York JFK: BA173, B61084, 9E5315

All flights connecting London LHR to New York JFK.