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Air Canada

Is AC851 delayed?

No, AC851 is on schedule (1 min behind) and expected in Calgary at 15:56 on Nov 14 (last reported Nov 14, 13:57 UTC).

Usually on time: arrived within 15 min of schedule on 20 of the last 21 flights.

Estimated arrivalLast reported

On schedule (1 min behind)

This update may be out of date. Check with your airline.

Official source · Updated

Departure

London

LHR

Actual

Scheduled 13:25

Nov 14

Arrival

Calgary

YYC

Estimated

Scheduled 15:55

Nov 14

Times shown in airport local time

Service date: · Actual departure date; scheduled departure unavailable (Europe/London)

In the air. The market on this flight settles on the airport’s recorded arrival.

View this flight’s marketHow this market settles

Think AC851 will be late on Nov 15? Delayed is at 21¢ and pays out x4.67.

How will Air Canada 851 London → Calgary arrive on Nov 16?
On timePays out x1.3077%DelayedPays out x4.6721%CancelledPays out x50.002%
No trades yet. Be the first.closes on arrival
How this market settles
Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Not available
View this flight’s market

The price is the traded chance of the market’s outcome. It doesn’t confirm the flight’s status. See the market for its rules.

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • London → Calgary

    6 min early

  • London → Calgary

    23 min early

  • London → Calgary

    32 min early

  • London → Calgary

    On schedule (12 min behind)

  • London → Calgary

    On schedule (11 min behind)

Is AC851 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
21
On time
95%
of 21 arrivals
Late
5%
of 21 arrivals
Cancelled
12%
of 25 flights
Median arrival delay
11 min early
9 in 10 arrived within
11 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

London Heathrow (LHR) departures

Left more than 15 min late
170 of 258
Cancelled today
10
Flights from London Heathrow to Calgary today

Related flights

Other flights LHR → CYYC

Return flights CYYC → LHR

All Air Canada flights

Flight history and details
AC851 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026ArrivedLondonCalgary
View this flight’s market
-6
Nov 11, 2026ArrivedLondonCalgary-23
Nov 10, 2026ArrivedLondonCalgary-32
Nov 9, 2026ArrivedLondonCalgary12
Nov 8, 2026ArrivedLondonCalgary11
Nov 7, 2026ArrivedLondonCalgary2
Nov 6, 2026ArrivedLondonCalgary-4
Nov 4, 2026ArrivedLondonCalgary-28
Nov 3, 2026CancelledLondonCalgaryNot availableNot available
Nov 2, 2026CancelledLondonCalgaryNot availableNot available
Nov 1, 2026ArrivedLondonCalgary8
Oct 30, 2026ArrivedLondonCalgary-4
Oct 28, 2026ArrivedLondonCalgary-37
Oct 27, 2026ArrivedLondonCalgary-25
Oct 26, 2026ArrivedLondonCalgary-32
Oct 25, 2026ArrivedLondonCalgary78
Oct 24, 2026CancelledLondonCalgaryNot availableNot available
Oct 23, 2026ArrivedLondonCalgary-19
Oct 22, 2026ArrivedLondonCalgary-33
Oct 21, 2026ArrivedLondonCalgary-45
Oct 20, 2026ArrivedLondonCalgary-8
Oct 19, 2026ArrivedLondonCalgary-29
Oct 17, 2026ArrivedLondonCalgary5
Oct 16, 2026ArrivedLondonCalgary-11
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