AC521 Air Canada - Flight Status
Below, you can find details about Air Canada flight AC521, which currently operates between the airports of Montreal - Montreal-Trudeau International Airport (Airport Code YUL) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Monday, September 07, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights AC521
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights AC521
AC521 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
AC521 Air Canada to Chicago
Scheduled
Flight Status for Monday September 07, 2026
Scheduled
Flight Status for Monday September 07, 2026
Airline information
Air Canada
Equipment: Airbus A220-300 Passenger
Departure
Montreal (YUL)
September 07, 2026
Montreal-Trudeau International Airport
Scheduled Departure Time:
08:40 am
Gate:
C75
Scheduled Departure Time: 08:40 am
Arrival
Chicago (ORD)
September 07, 2026
Chicago O'Hare International Airport
Scheduled Arrival Time:
10:15 am
Terminal:
2
Gate:
E2
Scheduled Arrival Time: 10:15 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.montreal-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- UA8371 - United Airlines
Additional Information
Which is the frequency of flight AC521?
The flight AC521 is currently not scheduled at Montreal Airport (YUL).
Which is the distance of flight AC521?
The distance between the two airports is 746 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Montreal: 2026-09-07 03:20:47
Current Time in Chicago: 2026-09-07 02:20:47
The flight AC521 is currently not scheduled at Montreal Airport (YUL).
Which is the distance of flight AC521?
The distance between the two airports is 746 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Montreal: 2026-09-07 03:20:47
Current Time in Chicago: 2026-09-07 02:20:47
Alternative Flights
The following airlines serves the same route between Montreal and Chicago:
American Airlines
- Flight Number: AA3600. (On Time performance: 80 - Average Delay: 23 minutes)
- Flight Number: AA3602. (On Time performance: 57 - Average Delay: 43 minutes)
Air Canada
- Flight Number: AC525. (On Time performance: 14 - Average Delay: 62 minutes)
- Flight Number: AC8477. (On Time performance: 74 - Average Delay: 12 minutes)
- Flight Number: AC8481. (On Time performance: 45 - Average Delay: 27 minutes)
United Airlines
- Flight Number: UA2751. (On Time performance: 79 - Average Delay: 13 minutes)
- Flight Number: UA3549. (On Time performance: 53 - Average Delay: 45 minutes)
- Flight Number: UA3600. (On Time performance: 88 - Average Delay: 7 minutes)
American Airlines
- Flight Number: AA3600. (On Time performance: 80 - Average Delay: 23 minutes)
- Flight Number: AA3602. (On Time performance: 57 - Average Delay: 43 minutes)
Air Canada
- Flight Number: AC525. (On Time performance: 14 - Average Delay: 62 minutes)
- Flight Number: AC8477. (On Time performance: 74 - Average Delay: 12 minutes)
- Flight Number: AC8481. (On Time performance: 45 - Average Delay: 27 minutes)
United Airlines
- Flight Number: UA2751. (On Time performance: 79 - Average Delay: 13 minutes)
- Flight Number: UA3549. (On Time performance: 53 - Average Delay: 45 minutes)
- Flight Number: UA3600. (On Time performance: 88 - Average Delay: 7 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 04, 2026 to April 30, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 02, 2025 to April 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 04, 2026 to April 30, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 02, 2025 to April 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights AC521
No flights for AC521 were scheduled in the past month. The last flight took place on Monday, September 07, 2026