UA3640 Flight Status United Airlines: Toronto to Chicago (UAL3640)

UA 3640 Toronto to Chicago Flight Status

Not scheduled today (November 9th, 2026). Latest flight: October 25th, 2026 ; recent history is in the table below.

UA 3640 Flight Status & Schedule United Airlines Toronto to Chicago

Date From To Departure Arrival Status Details
Oct 25 YYZ ORD 19:26 20:48 Scheduled Track >
Mar 26 YYZ ORD 21:41 22:10 Landed Track >
Mar 25 YYZ ORD 21:09 21:23 Landed Track >
Mar 24 YYZ ORD 21:19 21:35 Landed Track >
Mar 23 YYZ ORD 21:46 22:10 Landed Track >
Mar 22 YYZ ORD 21:16 21:47 Landed Track >
Mar 19 YYZ ORD 21:17 21:32 Landed Track >
Mar 18 YYZ ORD 21:10 21:20 Landed Track >
Mar 17 YYZ ORD 21:14 21:25 Landed Track >
Mar 16 YYZ ORD 21:00 22:04 En-Route Track >

United Airlines operates UA 3640 from Toronto to Chicago, a 700 km (435 mi) trip. With 2 h 4 min in the timetable and a usual flight time of about 1 h 15 min, it often makes up time. It is not flying today; the last flight was scheduled on 25 October 2026.

< All Toronto YYZ Departures All Chicago ORD Arrivals >

About UA 3640

Route
Toronto Pearson International Airport YYZ to Chicago O'Hare International Airport ORD
Distance
700 km (435 mi)
Typical flight time
1 h 15 min
On time
8 of the last 8
Usually departs from
Terminal 1

UA 3640 FAQ

How long is the UA3640 flight?
The timetable allows 2 h 4 min. Toronto to Chicago is 700 km (435 mi).
How often is UA3640 late?
None of the last 8 flights arrived 15 or more minutes late.
Which terminal does UA3640 use?
It usually leaves from Terminal 1 at Toronto Pearson International Airport (YYZ). Check the flight card above for today's terminal and gate.
What other flight numbers does UA3640 have?
Also listed as UAL3640 (United Airlines' ICAO code) and UA 3640.

UA3640 and Toronto YYZ to Chicago ORD Flights

Other flights departing from Toronto YYZ: AC1359, DL3829, YX3640

Other flights arriving at Chicago ORD: OO5568, OO6507, YX3640

All flights connecting Toronto YYZ to Chicago ORD.