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

FI631 Icelandair - Flight Status

Below, you can find details about Icelandair flight FI631, 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 Thursday, May 15, 2025.

FI631 On Time performance:
67
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

FI631 Icelandair to Boston

Scheduled - On-time
Flight Status for Thursday May 15, 2025
This flight was also scheduled for Yesterday (May 14, 2025). See it here
This flight is also scheduled for Tomorrow (May 16, 2025). See it here

Airline information

Icelandair
Icelandair
Equipment: Boeing 767-300 (winglets) Passenger

Departure

Reykjavik (KEF)
May 15, 2025
Keflavik Airport
Estimated Departure Time:
17:10
Gate:
D25
Scheduled Departure Time: 17:10

Arrival

Boston (BOS)
May 15, 2025
Boston Logan International Airport
Estimated Arrival Time:
18:38
Terminal:
E
Gate:
E11
Scheduled Arrival Time: 18:50
Baggage: 5
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 FI631?
The flight FI631 is scheduled to flight on daily basis.

Which is the distance of flight FI631?
The distance between the two airports is 3875 kilometers.

Which is the flight time of flight FI631?
The scheduled flight time gate to gate is: 05:40 hours.
The real flight time gate to gate on average is: 05:21 hours.

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: 2025-05-15 15:10:35
Current Time in Boston: 2025-05-15 11:10:35

Alternative Flights

The following airlines serves the same route between Reykjavik and Boston:

Icelandair
- Flight Number: FI633. (On Time performance: 94 - Average Delay: -1 minutes)
- Flight Number: FI635. (On Time performance: 88 - Average Delay: 4 minutes)
- Flight Number: FI7. (On Time performance: 94 - Average Delay: 1 minutes)

Play
- Flight Number: OG111. (On Time performance: 95 - Average Delay: 1 minutes)
- Flight Number: OG857. (On Time performance: 96 - Average Delay: 3 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from February 07, 2025 to May 06, 2025, we have obtained these figures.
Total number of flights: 89
On Time: 60 ( 67 % )
Moderate Delay: 13 ( 15 % )
Significant Delay: 10 ( 11 % )
Major Delay: 6 ( 7 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 20 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 07, 2024 to May 06, 2025. 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.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 02, 2024 to April 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights FI631

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
14 May
17:12
Reykjavik (KEF)
18:28
Boston (BOS)
05h 16min
Boeing 767-300
Boeing 767-300
Landed - On-time
Tuesday
13 May
17:03
Reykjavik (KEF)
18:19
Boston (BOS)
05h 16min
Boeing 767-300
Boeing 767-300
Landed - On-time
Monday
12 May
17:13
Reykjavik (KEF)
18:36
Boston (BOS)
05h 23min
Boeing 767-300
Boeing 767-300
Landed - On-time
Sunday
11 May
17:05
Reykjavik (KEF)
18:31
Boston (BOS)
05h 26min
Boeing 767-300
Boeing 767-300
Landed - On-time
Saturday
10 May
17:05
Reykjavik (KEF)
18:47
Boston (BOS)
05h 42min
Boeing 767-300
Boeing 767-300
Landed - On-time
Friday
09 May
17:13
Reykjavik (KEF)
18:58
Boston (BOS)
05h 45min
Boeing 767-300
Boeing 767-300
Landed - On-time
Thursday
08 May
17:34
Reykjavik (KEF)
19:28
Boston (BOS)
05h 54min
Boeing 767-300
Boeing 767-300
Landed - Delayed
Wednesday
07 May
17:13
Reykjavik (KEF)
19:08
Boston (BOS)
05h 55min
Boeing 767-300
Boeing 767-300
Landed - Delayed
Tuesday
06 May
17:01
Reykjavik (KEF)
18:41
Boston (BOS)
05h 40min
Boeing 767-300
Boeing 767-300
Landed - On-time
Monday
05 May
17:11
Reykjavik (KEF)
18:34
Boston (BOS)
05h 23min
Boeing 767-300
Boeing 767-300
Landed - On-time