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United Airlines

Is UA3539 delayed?

No delay reported. UA3539 is expected in Montreal 15 min early, at 15:01 on Nov 15.

The GADUIN market gives an on-time arrival at Montreal a 77% chance.

Usually on time: 28 of its last 30 graded arrivals landed within 15 min of schedule. We say “usually” only from 20 graded arrivals, with two in three or more on one side.

Estimated arrivalLast reported

15 min early

This update may be out of date.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

Update time unavailable

Departure

Dulles

IAD

Scheduled

Not available

Arrival

Montreal

YUL

Estimated

Scheduled 15:16

Nov 15

Times shown in airport local time

Service date: · Scheduled arrival date; departure time unavailable (America/Toronto)

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

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.

Also sold as AC4942, AV2164, CM2811

Recent arrivals

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

  • Dulles → Montreal

    16 min early
  • Dulles → Montreal

    19 min early
  • Dulles → Montreal

    24 min early
  • Dulles → Montreal

    28 min early
  • Dulles → Montreal

    25 min early

Is UA3539 usually late?

Period: Oct 16, 2026 – Nov 15, 2026

Landings recorded
30
Graded against schedule
30
Not graded
0
On time
93%
of 30 flights
Late
7%
of 30 flights
Cancelled
0%
of 30 flights
Diverted
0%
of 30 flights
Median arrival delay
19 min early
9 in 10 arrived within
2 min

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

Dulles (IAD) departures

Delayed: left more than 15 min after schedule
23 delayed, 3 cancelled of 85 departures on record

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

Other flights IAD → CYUL

Return flights CYUL → IAD

All United Airlines flights

Flight history and details
UA3539 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 14, 2026ArrivedDullesMontreal-16
Nov 13, 2026ArrivedDullesMontreal-19
Nov 12, 2026ArrivedDullesMontreal-24
Nov 11, 2026ArrivedDullesMontreal-28
Nov 10, 2026ArrivedDullesMontreal-25
Nov 9, 2026ArrivedDullesMontreal15
Nov 8, 2026ArrivedDullesMontreal145
Nov 7, 2026ArrivedDullesMontreal-39
Nov 6, 2026ArrivedDullesMontreal94
Nov 5, 2026ArrivedDullesMontreal-33
Nov 4, 2026ArrivedDullesMontreal-26
Nov 3, 2026ArrivedDullesMontreal-19
Nov 2, 2026ArrivedDullesMontreal-6
Nov 1, 2026ArrivedDullesMontreal-29
Oct 31, 2026ArrivedDullesMontreal-23
Oct 30, 2026ArrivedDullesMontreal-25
Oct 29, 2026ArrivedDullesMontreal-30
Oct 28, 2026ArrivedDullesMontreal-18
Oct 27, 2026ArrivedDullesMontreal-19
Oct 26, 2026ArrivedDullesMontreal-10
Oct 25, 2026ArrivedDullesMontreal-23
Oct 24, 2026ArrivedDullesMontreal-21
Oct 23, 2026ArrivedDullesMontreal-16
Oct 22, 2026ArrivedDullesMontreal-17
Oct 21, 2026ArrivedDullesMontreal-32
Oct 20, 2026ArrivedDullesMontreal-27
Oct 19, 2026ArrivedDullesMontreal-5
Oct 18, 2026ArrivedDullesMontreal1
Oct 17, 2026ArrivedDullesMontreal0
Oct 16, 2026ArrivedDullesMontreal-11
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