FI 634 Boston to Reykjavik Flight Status

Icelandair Flight FI634 from Boston Logan International Airport BOS to Keflavik International Airport KEF is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on April 7th, 2026.
Check the table below for FI634's most recent flight history:

FI 634 Flight Status & Schedule

Date Departure Arrival Status
Apr 07 20:06 04:29
Landed
Track >
Mar 29 12:43 21:01
Landed
Track >
Mar 28 13:15 22:04
Landed Late
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Mar 26 17:34 02:01
Delayed
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Mar 25 13:10 21:35
Landed
Track >

Icelandair FI 634 Boston to Reykjavik Flight Information

Icelandair Flight FI634 connects Boston, United States to Reykjavik, Iceland, taking off from Boston Logan International Airport BOS and landing at Keflavik International Airport KEF.

How long is the FI634 flight from Boston to Reykjavik?

The average flight time from Boston to Reykjavik is 4 hours and 23 minutes. The flight distance is 3874 km / 2407 miles and the average flight speed is 884 km/h / 549 mph.

What is the On-Time Performance (OTP) of Icelandair Flight FI634 Boston to Reykjavik?

The Airportia On-Time Performance Rating for Icelandair Flight FI634 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight FI634 arriving at?

Flight FI634 arrives at Keflavik International Airport (KEF) Terminal 3.

When was the latest FI634 flight?

The latest flight took off on Wednesday, April 8th, 2026 with the flight status being Landed on 04:29.

How else can the flight FI634 be referenced as?

This Icelandair flight can also be referenced as ICE634, FI0634, FI 634, ICE 634.

How often is flight FI634 delayed?

On average, 50% of all FI634 flights are delayed. The average delay is 61 minutes.

Can I get compensation for my delayed or cancelled FI634 flight or baggage issues?

If your FI634 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 FI634 Flight Tracker above for more details.

FI634 and Boston BOS to Reykjavik KEF Flights

Other flights departing from Boston BOS: NK2231, NK1414, DL315, DL5858

Other flights arriving at Reykjavik KEF: FI587, FI1081, LS409, MB710

All flights connecting Boston BOS to Reykjavik KEF.

FI634 Icelandair Flight: Boston to Reykjavik Route Map

FI634 Icelandair Flight Map: Boston to Reykjavik
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.