How long is the IB3509 flight?

The timetable allows 10 hours. London to Seattle is 7,701 km (4,785 mi).

Which terminal does IB3509 use?

It usually leaves from Terminal 5 at London Heathrow Airport (LHR). Check the flight card above for today's terminal and gate.

What other flight numbers does IB3509 have?

Also listed as IBE3509 (Iberia's ICAO code) and IB 3509.

Can I get compensation if IB3509 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.

IB3509 Flight Status Iberia: London to Seattle (IBE3509)

Iberia IB 3509

Landed On Time

LHR London

Scheduled: 09:25
Actual: 09:53

Terminal: 5 | Gate: B43

Departure: Sat, Nov 7, 2026 · local time GMT

London Heathrow Airport (LHR)

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SEA Seattle

Scheduled: 11:25
Actual: 11:12
Delay

Gate: S11

Arrival: Sat, Nov 7, 2026 · local time PST

Seattle Tacoma International Airport (SEA)

All SEA Arrivals >

Landed 43h 10m ago 100%

LHR 09:53 SEA 11:12

7,701 km (4,785 mi) flown

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

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Distance: 7701 km / 4785 miles · Scheduled Duration: 10:00 · Actual Duration: 09:19

Flight issues? Claim up to £520 >

IB 3509 Flight Status & Schedule Iberia London to Seattle

Date	From	To	Departure	Arrival	Status	Details
Nov 07	LHR	SEA	09:53	11:12	Landed	Track >
Nov 05	LHR	SEA	09:47	11:02	Landed	Track >
Nov 03	LHR	SEA	09:31	10:34	Landed	Track >
Oct 31	LHR	SEA	09:57	11:52	Landed	Track >
Oct 29	LHR	SEA	10:02	11:54	Landed	Track >
Oct 27	LHR	SEA	09:51	11:51	Landed	Track >
Oct 24	LHR	SEA	10:16	11:26	Landed	Track >
Oct 23	LHR	SEA	10:24	11:29	Landed	Track >
Oct 22	LHR	SEA	10:09	11:27	Landed	Track >

Iberia operates IB 3509 from London to Seattle, a 7,701 km (4,785 mi) trip, three times a week (Tuesday, Thursday and Saturday). Its timetable allows 10 hours; in practice it usually takes about 9 h 10 min, so it often makes up time. On Saturday it left 28 minutes late and still landed at 11:12, 13 minutes early.

< All London LHR Departures All Seattle SEA Arrivals >

About IB 3509

Route: London Heathrow Airport LHR to Seattle Tacoma International Airport SEA
Distance: 7,701 km (4,785 mi)
Typical flight time: 9 h 10 min
Flies: Tue, Thu, Sat
On time: 9 of the last 9
Usually departs from: Terminal 5

Departing the UK, this flight is covered by UK261. Saturday's flight landed 13 minutes early, so no delay compensation applies; it starts at 3 hours late on arrival.

IB 3509 FAQ

How long is the IB3509 flight?: The timetable allows 10 hours. London to Seattle is 7,701 km (4,785 mi).
How often is IB3509 late?: None of the last 9 flights arrived 15 or more minutes late.
Which days does IB3509 fly?: Three times a week: Tuesday, Thursday and Saturday, based on the schedule of the last 7 days.
Which terminal does IB3509 use?: It usually leaves from Terminal 5 at London Heathrow Airport (LHR). Check the flight card above for today's terminal and gate.
What other flight numbers does IB3509 have?: Also listed as IBE3509 (Iberia's ICAO code) and IB 3509.
Can I get compensation if IB3509 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.

IB3509 and London LHR to Seattle SEA Flights

Flight IB3509 is a code-share Iberia flight of the British Airways operated BA53.

Other flights departing from London LHR: BA53, BA131, BA820, QR120

Other flights arriving at Seattle SEA: BA53, AS75, QX2347

All flights connecting London LHR to Seattle SEA.