Keflavik Airport Informational Guide to Keflavik International Airport - KEF - Non Official

FI635 Icelandair - Flight Status

Below, you can find details about Icelandair flight FI635, which currently operates between the airports of Reykjavik - Keflavik Airport (Airport Code KEF) and Boston - Boston Logan International Airport (Airport Code BOS).
This flight data pertains specifically to the flight's details for Tuesday, April 07, 2026.

FI635 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

FI635 Icelandair to Boston

This flight is not scheduled for July 22, 2026.

Airline information

Icelandair
Icelandair

Departure

Reykjavik (KEF)
April 07, 2026
Keflavik Airport

Arrival

Boston (BOS)
April 07, 2026
Boston Logan International Airport
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.reykjavik-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight FI635?
The flight FI635 is currently not scheduled at Keflavik Airport (KEF).

Which is the distance of flight FI635?
The distance between the two airports is 3875 kilometers.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Reykjavik: 2026-07-22 01:02:24
Current Time in Boston: 2026-07-21 21:02:24

Alternative Flights

The following airline serve the same route between Reykjavik and Boston:
Icelandair - Flight Number: FI631. (On Time performance: 78 - Average Delay: 9 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from February 19, 2026 to April 07, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from July 02, 2025 to April 07, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights FI635

No flights for FI635 were scheduled in the past month. The last flight took place on Tuesday, April 07, 2026