Air Canada
AC851 Flight status
According to Trip.com real-time data, the AC851 flight operated by Air Canada on Aug 29, 2026 is scheduled to fly from London (LHR) to Calgary (YYC). The flight is expected to depart at 10:15 (local time in London, UTC+1) and arrive at 11:47 (local time in Calgary, UTC-6) .
Fri, Aug 28
Sat, Aug 29
Sun, Aug 30
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Arrived
The flight has arrived 14m late
9h 35m
Check-in Counter
A
Boarding Gate
B43
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
1
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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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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
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
AC856
|
Toronto (YTO)
London (LON)
London (LON)
Scheduled: 08:35
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AC851 Aircraft Details
According to Trip.com real-time data, the AC851 flight from London to Calgary on 8/29/2026 is operated using the aircraft model Airbus A330-300. This aircraft has been in service for 17y, 6m. The aircraft has 292 seats.
Airbus A330-300
Punctuality (Departure)
47
%
Punctuality (Arrival)
97
%
Early on average
21 minutes
Age
17y, 6m
Seats
292
Flight Distance
--
Economy
Business
Premium Economy
In-Flight Services
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
In-Flight Services
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
In-Flight Services
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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Flight History for AC851
Trip.com historical records show that the last AC851 flight departed on Fri, Aug 28 from LHR at approximately 11:34. This flight is expected to arrrive in YYC at 13:04.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Aug 24 | London (LHR) | Calgary (YYC) | 333 | 10:49 | 12:09 | Arrived |
| Tue, Aug 25 | London (LHR) | Calgary (YYC) | 333 | 10:33 | 12:05 | Arrived |
| Wed, Aug 26 | London (LHR) | Calgary (YYC) | 333 | 11:12 | 12:33 | Arrived |
| Thu, Aug 27 | London (LHR) | Calgary (YYC) | 333 | 11:33 | 13:09 | Arrived |
| Fri, Aug 28 | London (LHR) | Calgary (YYC) | 333 | 11:34 | 13:04 | Arrived |
| Sat, Aug 29 | London (LHR) | Calgary (YYC) | 333 | 10:15 | 11:47 | Scheduled |
| Sun, Aug 30 | 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 47% (Late on average 38 minutes), and the on-time arrival rate is 97% (Early on average 21 minutes).
On-Time Departures
Punctuality
47
%
Late on average
38 minutes
Early
0
%
On time
47
%
30 mins late
40
%
60 mins late
10
%
90 mins late
3
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
21 minutes
Early
87
%
On time
10
%
30 mins late
0
%
60 mins late
0
%
90 mins late
3
%
Cancelled
0
%
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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 Aug 29, 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 Aug 29, 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 11:47. Status is Scheduled as of Aug 29, 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 Saturday. -
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 Aug 29, 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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Arrival Info: Calgary Weather & Current Time
Intermittent clouds
|
9°C - 24°C
Weather forecast for your arrival day
-7 hour time difference
Time on arrival: London 18:47
|
Calgary 11:47
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