DL1237 Delta Air Lines - Flight Status

Which is the frequency of flight DL1237?
The flight DL1237 is scheduled to flight on daily basis.

Which is the distance of flight DL1237?
The distance between the two airports is 954 miles.

Which is the flight time of flight DL1237?
The scheduled flight time gate to gate is: 02:35 hours.
The real flight time gate to gate on average is: 02:35 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 Sioux Falls: 2026-03-14 08:15:07
Current Time in Atlanta: 2026-03-14 09:15:07

Delta Air Lines is the only airline operating the route from Sioux Falls to Atlanta.

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 September 08, 2025 to March 07, 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 March 02, 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.