Air Canada AC851 Flight Status
According to Trip.com latest record on status for Air Canada flight AC851 from London to Calgary (LHR-YYC): Flights for Sep 20, 2026 are scheduled, with the next departure slated for 10:15 from LHR and an expected arrival at 11:56 at YYC .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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Arrived
The flight arrived 57m late.
9h 35m
Check-in Counter
A
Boarding Gate
B32
Arrival Gate
D74
Baggage
2
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Scheduled
Your flight will depart on time.
9h 35m
Check-in Counter
A
Boarding Gate
--
Arrival Gate
D76
Baggage
1
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Scheduled
Your flight will depart on time.
9h 35m
Check-in Counter
A
Boarding Gate
--
Arrival Gate
D76
Baggage
4
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Flight status powered by VariFlight. For real-time updates, follow airport displays or contact your airline directly. You can also explore more flights from London to Calgary or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
AC888
|
Ottawa (YOW) 
London (LON)
London (LON)Scheduled: 08:35
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AC851 Aircraft Specifications
According to Trip.com real-time data, the AC851 flight from London to Calgary on 9/20/2026 is operated using the aircraft model Airbus A330-300. This aircraft has been in service for 26y, 10m. The aircraft has 292 seats.
Airbus A330-300
On-Time Departure
53%
On-Time Arrival
93%
Avg. Early
9 minutes
Aircraft Age
26y, 10m
Total Seats
292
Flight Distance
--
Economy
Business
Premium Economy
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
Legroom
46 cm
Seat width better than on 50% of flights
100°
Reclining Angle
2-4-2
Seat layout example
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
178 cm
More legroom than on 50% of flights
51 cm
Seat width
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
97 cm
Legroom
46 cm
Seat width
120°
Reclining Angle
2-3-2
Seat layout example
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AC851 Flight History
Trip.com historical records show that the last AC851 flight departed on Sat, Sep 19 from LHR at approximately 12:11. This flight is expected to arrrive in YYC at 13:47.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | London (LHR) | Calgary (YYC) | 333 | 10:40 | 12:32 | Arrived |
| Wed, Sep 16 | London (LHR) | Calgary (YYC) | 333 | 10:39 | 12:20 | Arrived |
| Thu, Sep 17 | London (LHR) | Calgary (YYC) | 333 | 10:23 | 12:11 | Arrived |
| Fri, Sep 18 | London (LHR) | Calgary (YYC) | 333 | -- | -- | Cancelled |
| Sat, Sep 19 | London (LHR) | Calgary (YYC) | 333 | 12:11 | 13:47 | Arrived |
| Sun, Sep 20 | London (LHR) | Calgary (YYC) | 333 | 10:15 | 11:56 | Scheduled |
| Mon, Sep 21 | London (LHR) | Calgary (YYC) | 333 | 10:15 | 12:50 | Scheduled |
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AC851 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of AC851 is 53% (Late on average 45 minutes), and the on-time arrival rate is 93% (Early on average 9 minutes).
On-Time Departures
Punctuality
53%
Late on average 45 minutes
Early
0%
On time
53%
30 mins late
23%
60 mins late
17%
90 mins late
7%
Cancelled
1%
On-Time Arrivals
Punctuality
93%
Early on average 9 minutes
Early
73%
On time
20%
30 mins late
0%
60 mins late
3%
90 mins late
3%
Cancelled
1%
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Flight FAQs
What is the current status of flight ac851?
Flight ac851 has not departed yet and is currently on schedule. Scheduled departure 10:15, arrival 12:50 (updated Sep 20, 2026).Is flight ac851 on time today?
Flight ac851 has not departed yet and is currently on schedule. Scheduled departure is 10:15, with arrival at 12:50. Recheck gate and timing before you head to the airport.Has flight ac851 departed yet? What is the departure time?
Flight ac851 is scheduled to depart at 10:15. The latest actual or estimated departure time is 10:15, and the current status is Scheduled (updated Sep 20, 2026).When is flight ac851 scheduled to arrive?
Flight ac851 is scheduled to arrive at 12:50. The latest estimated or actual arrival time is 11:56. Status is Scheduled as of Sep 20, 2026.What is the baggage carousel number for flight ac851?
After arrival, baggage for flight ac851 is expected at carousel 1 in terminal I. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ac851 fly?
Flight ac851 is operated by Air Canada from London (LHR) to Calgary (YYC). Typical flight time is about 9 hours 35 minutes; operating days may include Sunday.How can I check real-time status for flight ac851?
Track flight ac851 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 ac851 is delayed or canceled, what should I do?
If ac851 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact Air Canada or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ac851 departed from London?
Flight ac851 has not departed from London (LHR) yet and is currently on schedule for 10:15.What is the seat configuration for flight ac851?
Flight ac851 usually flies a Airbus A330-300 with seat layout 2-4-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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When You Land: Calgary Weather & Time Zone
Mostly clear
|
8°C - 22°C
Weather forecast for your arrival day
-7 hour time difference
Time on arrival: London 18:56| Calgary 11:56
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