| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 20 | STL | YUL | 12:16 | 15:31 |
Landed
|
Track > |
| Jul 19 | STL | YUL | 12:46 | 15:57 |
Landed Late
|
Track > |
| Jul 18 | STL | YUL | 12:18 | 15:21 |
Landed
|
Track > |
| Jul 17 | STL | YUL | 12:23 | 15:31 |
Landed
|
Track > |
| Jul 16 | STL | YUL | 12:19 | 15:21 |
Landed
|
Track > |
| Jul 15 | STL | YUL | 12:19 | 15:26 |
Landed
|
Track > |
| Jul 14 | STL | YUL | 12:10 | 15:42 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jul 12 | STL | YUL | 12:10 | 15:42 |
Cancelled
|
Track > |
| Jul 11 | STL | YUL | 12:19 | 15:23 |
Landed
|
Track > |
| Jul 10 | STL | YUL | 12:56 | 15:59 |
Landed Late
|
Track > |
United Airlines Flight UA6646 connects St. Louis, United States to Montreal, Canada, taking off from St. Louis Lambert International Airport STL and landing at Montreal Pierre Elliott Trudeau Airport YUL.
How long is the UA6646 flight from St. Louis to Montreal?
The average flight time from St. Louis to Montreal is 2 hours and 6 minutes. The flight distance is 1558 km / 968 miles and the average flight speed is 714 km/h / 444 mph.
How many UA6646 flights are operated per week?
6 flights per week. The flight UA6646 is operated on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA6646 St. Louis to Montreal?
The Airportia On-Time Performance Rating for United Airlines Flight UA6646 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA6646 flight?
The latest flight took off on Monday, July 20th, 2026 with the flight status being Landed on 15:31.
How else can the flight UA6646 be referenced as?
This United Airlines flight can also be referenced as UAL6646, UA 6646, UAL 6646.
How often is flight UA6646 delayed?
On average, 20% of all UA6646 flights are delayed. The average delay is 16 minutes.
Can I get compensation for my delayed or cancelled UA6646 flight or baggage issues?
If your UA6646 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA6646 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN3981, AC8688, UA3573, WN654
Other flights arriving at Montreal YUL: AC871, RV1730, AC8688, AC7913
All flights connecting St. Louis STL to Montreal YUL.
