Informational Guide to Montreal International Airport - YUL - Non Official

DL4815 Delta Air Lines - Flight Status

Codeshare Flights
The flight WS7175 from WestJet (WS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL4815. Check this page for details about flight DL4815.

Below, you can find details about Delta Air Lines flight DL4815, which currently operates between the airports of Detroit - Detroit Metropolitan Wayne County Airport (Airport Code DTW) and Montreal - Montreal-Trudeau International Airport (Airport Code YUL).
This flight data pertains specifically to the flight's details for Wednesday, March 25, 2026.

DL4815 On Time performance:
78
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

DL4815 Delta Air Lines from Detroit

Scheduled - On-time
Flight Status for Wednesday March 25, 2026

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Canadair (Bombardier) Regional Jet 700 and Challenger 870

Departure

Detroit (DTW)
March 25, 2026
Detroit Metropolitan Wayne County Airport
Estimated Departure Time:
10:12 am
Terminal:
M
Gate:
B6
Scheduled Departure Time: 10:12 am

Arrival

Montreal (YUL)
March 25, 2026
Montreal-Trudeau International Airport
Estimated Arrival Time:
11:59 am
Gate:
C86
Scheduled Arrival Time: 11:59 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:

- WS7175 - WestJet

Additional Information

Which is the frequency of flight DL4815?
The flight DL4815 is scheduled to flight on daily basis.

Which is the distance of flight DL4815?
The distance between the two airports is 529 miles.

Which is the flight time of flight DL4815?
The scheduled flight time gate to gate is: 01:47 hours.
The real flight time gate to gate on average is: 01:48 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airline serve the same route between Detroit and Montreal:
Delta Air Lines - Flight Number: DL4816. (On Time performance: 58 - Average Delay: 53 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from December 19, 2025 to March 18, 2026, we have obtained these figures.
Total number of flights: 90
On Time: 70 ( 78 % )
Moderate Delay: 6 ( 7 % )
Significant Delay: 6 ( 7 % )
Major Delay: 8 ( 9 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 21 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from October 06, 2025 to March 18, 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 May 10, 2025 to February 28, 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.

Last Past Flights DL4815

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
24 March
10:10 am
Detroit (DTW)
11:52 am
Montreal (YUL)
01h 42min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
23 March
10:16 am
Detroit (DTW)
12:18 pm
Montreal (YUL)
02h 02min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Sunday
22 March
10:12 am
Detroit (DTW)
12:05 pm
Montreal (YUL)
01h 53min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
21 March
10:41 am
Detroit (DTW)
12:12 pm
Montreal (YUL)
01h 31min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
20 March
10:14 am
Detroit (DTW)
12:12 pm
Montreal (YUL)
01h 58min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
19 March
10:03 am
Detroit (DTW)
11:39 am
Montreal (YUL)
01h 36min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
18 March
11:18 am
Detroit (DTW)
01:03 pm
Montreal (YUL)
01h 45min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Tuesday
17 March
10:08 am
Detroit (DTW)
11:51 am
Montreal (YUL)
01h 43min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
16 March
02:39 pm
Detroit (DTW)
04:20 pm
Montreal (YUL)
01h 41min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Sunday
15 March
10:05 am
Detroit (DTW)
11:34 am
Montreal (YUL)
01h 29min
Canadair (Bomb
Canadair (Bomb
Landed - On-time