DL1399 Delta Air Lines - Flight Status

Which is the frequency of flight DL1399?
The flight DL1399 is scheduled to flight on Monday, Tuesday, Friday, Sunday on a weekly basis.

Which is the distance of flight DL1399?
The distance between the two airports is 1215 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 San Antonio: 2025-12-27 13:00:14
Current Time in Detroit: 2025-12-27 14:00:14

The following airline serve the same route between San Antonio and Detroit:
Delta Air Lines - Flight Number: DL2497. (On Time performance: 97 - Average Delay: 6 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 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 December 19, 2024 to January 04, 2025. 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.