Icelandair FI644 Flight Status
According to Trip.com real-time data, the FI644 flight operated by Icelandair on Sep 20, 2026 is scheduled to fly from Washington D.C. (IAD) to Reykjavik (KEF). The flight is expected to depart at 20:30 (local time in Washington D.C., UTC-4) and land at 06:25 (local time in Reykjavik, UTC+0) .
Sat, Sep 19
Sun, Sep 20
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Scheduled
Your flight will depart on time.
5h 55m
Check-in Counter
AREA 3
Boarding Gate
A24
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
5h 55m
Check-in Counter
AREA 3
Boarding Gate
A24
Arrival Gate
--
Baggage
--
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Information provided by VariFlight. Please refer to airport announcements for the most up-to-date information.
Track the Previous Flight Status: Scheduled
FI645
|
Reykjavik (REK) 
Washington D.C. (WAS)
Washington D.C. (WAS)Scheduled: 19:20
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FI644 Aircraft Details
According to Trip.com real-time data, the FI644 flight flying from Washington D.C. to Reykjavik on 9/20/2026 is operated by the aircraft model Boeing 737 MAX 8. This aircraft has been in service for 4y, 10m. The aircraft is equipped with 160 seats.
Boeing 737 MAX 8
Punctuality (Departure)
73%
Punctuality (Arrival)
97%
Early on average
14 minutes
Age
4y, 10m
Seats
160
Flight Distance
--
Economy
Business
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port
Seat Information
79 cm
Legroom
44 cm
Seat width better than on 67% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
102 cm
Legroom
53 cm
Seat width better than on 67% of flights
145°
Reclining Angle
2-2
Seat layout example
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Recent Flight History for FI644
Trip.com historical records show that the last FI644 flight departed on Sat, Sep 19 from IAD at approximately 20:49. This flight is expected to arrrive in KEF at 06:06.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 14 | Washington D.C. (IAD) | Reykjavik (KEF) | B38M | 20:46 | 05:50 | Arrived |
| Tue, Sep 15 | Washington D.C. (IAD) | Reykjavik (KEF) | B39M | 20:40 | 05:47 | Arrived |
| Wed, Sep 16 | Washington D.C. (IAD) | Reykjavik (KEF) | B38M | 20:58 | 06:03 | Arrived |
| Thu, Sep 17 | Washington D.C. (IAD) | Reykjavik (KEF) | B38M | 20:57 | 05:59 | Arrived |
| Fri, Sep 18 | Washington D.C. (IAD) | Reykjavik (KEF) | B38M | 20:41 | 05:59 | Arrived |
| Sat, Sep 19 | Washington D.C. (IAD) | Reykjavik (KEF) | B38M | 20:49 | 06:06 | Scheduled |
| Sun, Sep 20 | Washington D.C. (IAD) | Reykjavik (KEF) | B38M | 20:30 | 06:25 | Scheduled |
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FI644 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of FI644 is 73% (Late on average 23 minutes), and the on-time arrival rate is 97% (Early on average 14 minutes).
On-Time Departures
Punctuality
73%
Late on average 23 minutes
Early
0%
On time
73%
30 mins late
27%
60 mins late
0%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
97%
Early on average 14 minutes
Early
90%
On time
7%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Cheap return flights to Washington D.C.
- Tue, Nov 3Reykjavik (REK)Washington D.C. (WAS) IcelandairOne way14% offDKK 3,485DKK 3,006
- Sun, Oct 4Reykjavik (REK)Washington D.C. (WAS) IcelandairOne way12% offDKK 3,485DKK 3,071
- Sat, Oct 10Reykjavik (REK)Washington D.C. (WAS) IcelandairOne way12% offDKK 3,485DKK 3,073
- Mon, Oct 5Reykjavik (REK)Washington D.C. (WAS) IcelandairOne way12% offDKK 3,485DKK 3,073
- Mon, Oct 12Reykjavik (REK)Washington D.C. (WAS) IcelandairOne way10% offDKK 3,485DKK 3,123
- Sun, Oct 11Reykjavik (REK)Washington D.C. (WAS) IcelandairOne way10% offDKK 3,485DKK 3,136
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Frequently Asked Questions
What is the current status of flight fi644?
Flight fi644 has not departed yet and is currently on schedule. Scheduled departure 20:30, arrival 06:25 (updated Sep 20, 2026).Is flight fi644 on time today?
Flight fi644 has not departed yet and is currently on schedule. Scheduled departure is 20:30, with arrival at 06:25. Recheck gate and timing before you head to the airport.Has flight fi644 departed yet? What is the departure time?
Flight fi644 is scheduled to depart at 20:30. The latest actual or estimated departure time is 20:30, and the current status is Scheduled (updated Sep 20, 2026).When is flight fi644 scheduled to arrive?
Flight fi644 is scheduled to arrive at 06:25. The latest estimated or actual arrival time is 06:25. Status is Scheduled as of Sep 20, 2026.What route does flight fi644 fly?
Flight fi644 is operated by Icelandair from Washington D.C. (IAD) to Reykjavik (KEF). Typical flight time is about 5 hours 55 minutes; operating days may include Sunday.How can I check real-time status for flight fi644?
Track flight fi644 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight fi644 is delayed or canceled, what should I do?
If fi644 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact Icelandair or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight fi644 departed from Washington D.C.?
Flight fi644 has not departed from Washington D.C. (IAD) yet and is currently on schedule for 20:30.What is the seat configuration for flight fi644?
Flight fi644 usually flies a Boeing 737 MAX 8 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Reykjavik Weather & Current Time
Showers
|
7°C - 11°C
Weather forecast for your arrival day
4 hour time difference
Time on arrival: Washington D.C. 02:25| Reykjavik 06:25
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