DL4991 Delta Air Lines - Flight Status

Which is the frequency of flight DL4991?
The flight DL4991 is scheduled to flight on daily basis.

Which is the distance of flight DL4991?
The distance between the two airports is 573 miles.

Which is the flight time of flight DL4991?
The scheduled flight time gate to gate is: 01:42 hours.
The real flight time gate to gate on average is: 01:31 hours.

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

The following airline serve the same route between Detroit and Hartford:
Delta Air Lines - Flight Number: DL2234.

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 Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 05, 2023 to January 01, 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.