| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 07 | BOS | KEF | 20:06 | 04:29 |
Landed
|
Track > |
| Mar 29 | BOS | KEF | 12:43 | 21:01 |
Landed
|
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| Mar 28 | BOS | KEF | 13:15 | 22:04 |
Landed Late
|
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| Mar 26 | BOS | KEF | 17:34 | 02:01 |
Delayed
|
Track > |
| Mar 25 | BOS | KEF | 13:10 | 21:35 |
Landed
|
Track > |
| Mar 22 | BOS | KEF | 13:27 | 22:04 |
Landed Late
|
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| Mar 21 | BOS | KEF | 13:11 | 21:27 |
Landed
|
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| Mar 19 | BOS | KEF | 13:36 | 21:35 |
Landed
|
Track > |
| Mar 18 | BOS | KEF | 13:48 | 21:53 |
Landed
|
Track > |
| Mar 15 | BOS | KEF | 12:54 | 21:32 |
Landed
|
Track > |
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.
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.
