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Air Canada

Is AC866 delayed?

No, AC866 landed in London 16 min early, at 06:14 on Oct 24 (as of Oct 24, 05:20 UTC).

Arrived

16 min early

Official source · Updated

Departure

Montreal

YUL

Actual

Scheduled 18:40

Oct 23

Arrival

London

LHR

Actual

Scheduled 06:30

Oct 24

Times shown in airport local time

Service date: · Actual departure date; scheduled departure unavailable (America/Toronto)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Also sold as OS8240, LH6839, ME4506, MS9601, UA8296

Recent arrivals

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

  • Montreal → London

    16 min early

  • Montreal → London

    6 min early

  • Montreal → London

    19 min early

  • Montreal → London

    10 min early

  • Montreal → London

    On schedule (10 min behind)

Is AC866 usually late?

Period: Oct 16, 2026 – Nov 15, 2026

Landings recorded
6
Graded against schedule
6
Not graded
0
On time
6
Late
0
Cancelled
0
Diverted
0

Percentages and delay figures appear once 20 arrivals are graded.

On time means landing no more than 15 minutes after the scheduled arrival, late more than 15 minutes after, both times read to the minute. The percentages share one base: graded arrivals plus cancelled and diverted flights. A cancelled plan another plan of the flight replaced within 12 hours is not counted. Median and “9 in 10” are interpolated over the graded arrivals. Compares scheduled and actual arrival times, read to the minute. Some flights may be missing.

How flight status works

Departures on record at these airports today

London Heathrow (LHR) departures

Delayed: took off more than 27 min after schedule (15 min plus the usual 12-min taxi)
4 delayed, 1 cancelled of 51 departures on record

Counts cover the departures on record at each airport, not its full schedule.

Related flights

Other flights CYUL → LHR

Return flights LHR → CYUL

All Air Canada flights

Flight history and details
AC866 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Oct 23, 2026ArrivedMontrealLondon-16
Oct 21, 2026ArrivedMontrealLondon-6
Oct 20, 2026ArrivedMontrealLondon-19
Oct 18, 2026ArrivedMontrealLondon-10
Oct 17, 2026ArrivedMontrealLondon10
Oct 16, 2026ArrivedMontrealLondon-21
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