United Airlines
Is UA3640 delayed?
UA3640 landed in Chicago on Oct 25 (as of Oct 26, 00:50 UTC).
Arrived
Official source · Updated
Departure
Toronto
YYZ
Actual
Scheduled 19:26
Oct 25
Arrival
Chicago
ORD
Actual
Oct 25
Times shown in airport local time
Service date: · Scheduled departure date (America/Toronto)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Also sold as AC4961, AC5347, NZ2802, NZ9812
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 7 min early
Dulles → Pittsburgh
- 6 min early
Dulles → Pittsburgh
Is UA3640 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
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.
At the airports today
Toronto (YYZ) departures
- Left more than 15 min late
- 7 of 41
- Cancelled today
- 16
Chicago (ORD) departures
- Left more than 15 min late
- 164 of 338
- Cancelled today
- 179
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 25, 2026Arrived | Toronto | Chicago | Not available | |
| Oct 24, 2026Arrived | Dulles | Pittsburgh | -7 | |
| Oct 17, 2026Arrived | Dulles | Pittsburgh | -6 |