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 Saturday, April 11, 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:
65
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
AC521 Air Canada from Montreal
Scheduled
Flight Status for Saturday April 11, 2026
This flight was also scheduled for Yesterday (April 10, 2026). See it here
This flight is also scheduled for Tomorrow (April 12, 2026). See it here
Scheduled
Flight Status for Saturday April 11, 2026
Departure
Montreal (YUL)
April 11, 2026
Montreal-Trudeau International Airport
Scheduled Departure Time:
09:15 am
Terminal:
-
Gate:
C75
Scheduled Departure Time: 09:15 am
Arrival
Chicago (ORD)
April 11, 2026
Chicago O'Hare International Airport
Scheduled Arrival Time:
10:53 am
Terminal:
2
Gate:
E2
Scheduled Arrival Time: 10:53 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.airport-ohare.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:
- UA8058 - United Airlines
Additional Information
Which is the frequency of flight AC521?
The flight AC521 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday on a weekly basis.
Which is the distance of flight AC521?
The distance between the two airports is 746 miles.
Which is the flight time of flight AC521?
The scheduled flight time gate to gate is: 02:38 hours.
The real flight time gate to gate on average is: 02:53 hours.
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: 2026-04-11 01:57:21
Current Time in Chicago: 2026-04-11 00:57:21
The flight AC521 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday on a weekly basis.
Which is the distance of flight AC521?
The distance between the two airports is 746 miles.
Which is the flight time of flight AC521?
The scheduled flight time gate to gate is: 02:38 hours.
The real flight time gate to gate on average is: 02:53 hours.
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: 2026-04-11 01:57:21
Current Time in Chicago: 2026-04-11 00:57:21
Alternative Flights
The following airlines serves the same route between Montreal and Chicago:
American Airlines
- Flight Number: AA3600.
- Flight Number: AA3833. (On Time performance: 81 - Average Delay: 17 minutes)
Air Canada
- Flight Number: AC8477. (On Time performance: 18 - Average Delay: 62 minutes)
- Flight Number: AC8481. (On Time performance: 57 - Average Delay: 24 minutes)
- Flight Number: AC8483. (On Time performance: 27 - Average Delay: 45 minutes)
United Airlines
- Flight Number: UA3549. (On Time performance: 70 - Average Delay: 25 minutes)
- Flight Number: UA3600. (On Time performance: 85 - Average Delay: 20 minutes)
- Flight Number: UA3619. (On Time performance: 67 - Average Delay: 36 minutes)
American Airlines
- Flight Number: AA3600.
- Flight Number: AA3833. (On Time performance: 81 - Average Delay: 17 minutes)
Air Canada
- Flight Number: AC8477. (On Time performance: 18 - Average Delay: 62 minutes)
- Flight Number: AC8481. (On Time performance: 57 - Average Delay: 24 minutes)
- Flight Number: AC8483. (On Time performance: 27 - Average Delay: 45 minutes)
United Airlines
- Flight Number: UA3549. (On Time performance: 70 - Average Delay: 25 minutes)
- Flight Number: UA3600. (On Time performance: 85 - Average Delay: 20 minutes)
- Flight Number: UA3619. (On Time performance: 67 - Average Delay: 36 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from October 07, 2025 to April 06, 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 June 01, 2025 to March 31, 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.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 02, 2026 to April 06, 2026, we have obtained these figures.
Total number of flights: 26
On Time: 17 ( 65 % )
Moderate Delay: 6 ( 23 % )
Significant Delay: 2 ( 8 % )
Major Delay: 1 ( 4 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 13 minutes.
Total number of flights: 26
On Time: 17 ( 65 % )
Moderate Delay: 6 ( 23 % )
Significant Delay: 2 ( 8 % )
Major Delay: 1 ( 4 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 13 minutes.
Last Past Flights AC521
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
10 April
10 April
09:12 am
Montreal (YUL)
Montreal (YUL)
11:19 am
Chicago (ORD)
Chicago (ORD)
03h 07min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Thursday
09 April
09 April
09:03 am
Montreal (YUL)
Montreal (YUL)
10:47 am
Chicago (ORD)
Chicago (ORD)
02h 44min
Airbus A220-30
Airbus A220-30
Landed - On-time
Wednesday
08 April
08 April
09:01 am
Montreal (YUL)
Montreal (YUL)
10:39 am
Chicago (ORD)
Chicago (ORD)
02h 38min
Airbus A220-30
Airbus A220-30
Landed - On-time
Tuesday
07 April
07 April
09:06 am
Montreal (YUL)
Montreal (YUL)
11:13 am
Chicago (ORD)
Chicago (ORD)
03h 07min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Monday
06 April
06 April
09:13 am
Montreal (YUL)
Montreal (YUL)
11:04 am
Chicago (ORD)
Chicago (ORD)
02h 51min
Airbus A220-30
Airbus A220-30
Landed - On-time
Saturday
04 April
04 April
09:17 am
Montreal (YUL)
Montreal (YUL)
11:27 am
Chicago (ORD)
Chicago (ORD)
03h 10min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Thursday
02 April
02 April
10:00 am
Montreal (YUL)
Montreal (YUL)
12:05 pm
Chicago (ORD)
Chicago (ORD)
03h 05min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Wednesday
01 April
01 April
09:23 am
Montreal (YUL)
Montreal (YUL)
11:05 am
Chicago (ORD)
Chicago (ORD)
02h 42min
Airbus A220-30
Airbus A220-30
Landed - On-time
Tuesday
31 March
31 March
09:15 am
Montreal (YUL)
Montreal (YUL)
10:58 am
Chicago (ORD)
Chicago (ORD)
02h 43min
Airbus A220-30
Airbus A220-30
Monday
30 March
30 March
09:09 am
Montreal (YUL)
Montreal (YUL)
11:11 am
Chicago (ORD)
Chicago (ORD)
03h 02min
Airbus A220-30
Airbus A220-30
Landed - Delayed
