DL3963 Delta Air Lines - Flight Status

Which is the frequency of flight DL3963?
The flight DL3963 is scheduled to flight on Tuesday, Wednesday on a weekly basis.

Which is the distance of flight DL3963?
The distance between the two airports is 383 miles.

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

The following airlines serves the same route between Detroit and Dulles:

Delta Air Lines
- Flight Number: DL1537. (On Time performance: 77 - Average Delay: 11 minutes)
- Flight Number: DL3804. (On Time performance: 83 - Average Delay: 13 minutes)
- Flight Number: DL3852. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: DL3864. (On Time performance: 82 - Average Delay: 17 minutes)
- Flight Number: DL4973. (On Time performance: 80 - Average Delay: 31 minutes)
- Flight Number: DL5390. (On Time performance: 73 - Average Delay: 24 minutes)

United Airlines
- Flight Number: UA3428.
- Flight Number: UA3617. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: UA4341.
- Flight Number: UA6106. (On Time performance: 89 - Average Delay: 14 minutes)
- Flight Number: UA6190. (On Time performance: 71 - Average Delay: 14 minutes)
- Flight Number: UA6362. (On Time performance: 79 - Average Delay: 18 minutes)

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 November 11, 2024 to April 23, 2025. 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 10, 2024 to December 18, 2024. 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.