United Airlines
UA6646 Flight Status (St. Louis to Montreal)
According to Trip.com real-time data, the UA6646 flight operated by United Airlines on Aug 29, 2026 is scheduled to fly from St. Louis (STL) to Montreal (YUL). The flight is expected to depart at 12:10 (local time in St. Louis, UTC-5) and land at 15:17 (local time in Montreal, UTC-4) .
Fri, Aug 28
Sat, Aug 29
Sun, Aug 30
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Arrived
The flight has arrived 12m early
2h 32m
Check-in Counter
--
Boarding Gate
A15
Arrival Gate
89
Baggage
3
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Scheduled
Your flight will depart on time.
2h 32m
Check-in Counter
--
Boarding Gate
A15
Arrival Gate
89
Baggage
3
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Scheduled
Your flight will depart on time.
2h 32m
Check-in Counter
--
Boarding Gate
A15
Arrival Gate
87
Baggage
3
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from St. Louis to Montreal or track other flights with our flight status tracker.
UA6646 Aircraft Details and Cabin Information - St. Louis to Montreal on United Airlines
According to Trip.com real-time data, the UA6646 flight flying from St. Louis to Montreal on 8/29/2026 is operated by the aircraft model Bombardier Regional Jet 900. This aircraft has been in service for 8y, 6m. The aircraft is equipped with 75 seats.
Bombardier Regional Jet 900
Punctuality (Departure)
93
%
Punctuality (Arrival)
97
%
Early on average
13 minutes
Age
8y, 6m
Seats
75
Flight Distance
--
Economy
Business
In-Flight Services
None
Unknown
Wi-Fi is available
USB port
Seat Information
86 cm
More legroom than on 100% of flights
43 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
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UA6646 Recent Flight History and Status - United Airlines
Trip.com historical records show that the last UA6646 flight departed on Fri, Aug 28 from STL at approximately 12:22. This flight is expected to arrrive in YUL at 15:30.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Aug 24 | St. Louis (STL) | Montreal (YUL) | CRJ9 | 12:26 | 15:36 | Arrived |
| Tue, Aug 25 | St. Louis (STL) | Montreal (YUL) | CRJ9 | -- | -- | Canceled |
| Wed, Aug 26 | St. Louis (STL) | Montreal (YUL) | CRJ9 | 12:09 | 15:14 | Arrived |
| Thu, Aug 27 | St. Louis (STL) | Montreal (YUL) | CRJ9 | 13:49 | 16:50 | Arrived |
| Fri, Aug 28 | St. Louis (STL) | Montreal (YUL) | CRJ9 | 12:22 | 15:30 | Arrived |
| Sat, Aug 29 | St. Louis (STL) | Montreal (YUL) | CRJ9 | 12:10 | 15:17 | Scheduled |
| Sun, Aug 30 | St. Louis (STL) | Montreal (YUL) | CRJ9 | 12:10 | 15:42 | Scheduled |
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UA6646 On-Time Performance, Departure, and Arrival Trends
Review UA6646 on-time performance based on recent trips, including departure punctuality, arrival punctuality, average delays, and early arrival trends to better understand overall flight reliability. Based on the average performance of UA6646 flight over the past 30 trips, the on-time departure rate of UA6646 is 93% (Late on average 11 minutes), while the on-time arrival rate is 97% (Early on average 13 minutes).
On-Time Departures
Punctuality
93
%
Late on average
11 minutes
Early
7
%
On time
87
%
30 mins late
3
%
60 mins late
0
%
90 mins late
3
%
Canceled
3
%
On-Time Arrivals
Punctuality
97
%
Early on average
13 minutes
Early
93
%
On time
3
%
30 mins late
0
%
60 mins late
3
%
90 mins late
0
%
Canceled
3
%
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Frequently Asked Questions
-
What is the current status of flight ua6646?
Flight ua6646 has not departed yet and is currently on schedule. Scheduled departure 12:10, arrival 15:42 (updated Aug 29, 2026). -
Is flight ua6646 on time today?
Flight ua6646 has not departed yet and is currently on schedule. Scheduled departure is 12:10, with arrival at 15:42. Recheck gate and timing before you head to the airport. -
Has flight ua6646 departed yet? What is the departure time?
Flight ua6646 is scheduled to depart at 12:10. The latest actual or estimated departure time is 12:10, and the current status is Scheduled (updated Aug 29, 2026). -
When is flight ua6646 scheduled to arrive?
Flight ua6646 is scheduled to arrive at 15:42. The latest estimated or actual arrival time is 15:17. Status is Scheduled as of Aug 29, 2026. -
What is the gate information for flight ua6646?
For flight ua6646, the departure terminal is T1 and the boarding gate is A15. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What route does flight ua6646 fly?
Flight ua6646 is operated by United Airlines from St. Louis (STL) to Montreal (YUL). Typical flight time is about 2 hours32 minutes; operating days may include Saturday. -
How can I check real-time status for flight ua6646?
Track flight ua6646 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight ua6646 is delayed or canceled, what should I do?
If ua6646 is delayed or canceled, first confirm the latest status here (Scheduled, updated Aug 29, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight ua6646 departed from St. Louis?
Flight ua6646 has not departed from St. Louis (STL) yet and is currently on schedule for 12:10. -
What is the seat configuration for flight ua6646?
Flight ua6646 usually flies a Bombardier Regional Jet 900 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Montreal Weather & Current Time
Clear
|
13°C - 21°C
Weather forecast for your arrival day
1 hour time difference
Time on arrival: St. Louis 14:17
|
Montreal 15:17
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