No delays reported for DL 1237 (FSD → ATL) as of 6:43 PM ET. It arrived on time 89.1% of the time in June-August 2026. When it was late, the average delay was 1h 26m. None were cancelled. Right now there are no reported delays at FSD, ATL.
Looks on time
Next leg FSD → ATL, scheduled 5:20 AM local time. No delays at FSD right now, and it usually runs on time.
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Delta for official times. Live position: adsb.lol (open data, ODbL).
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| FSD → ATL Sioux Falls, SD to Atlanta, GA | 5:20 AM → 8:54 AM | 89% |
Local times. Schedules change; check your booking.
How reliable is DL 1237?
| Arrived on time (within 15 min) | 89.1% |
| Average delay when late | 86 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 1237
DL 1237 was most reliable on Tuesdays (100% on time) and least reliable on Saturdays (77%).
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Delta to the Department of Transportation.
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Delta app.
Delta delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is DL 1237 delayed today?
Right now there are no reported delays at FSD, ATL. Checked 6:43 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 1237 usually on time?
DL 1237 arrived within 15 minutes of schedule 89.1% of the time in June-August 2026, with an average delay of 86 minutes when late.
How often is DL 1237 cancelled?
0% of DL 1237 flights were cancelled in June-August 2026.