About 1 in 10 DL 3927 flights from Rapid City arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.7% were cancelled. The typical flight landed 8 minutes early.
DL 3927: RAP → MSP
Scheduled to leave Rapid City at 6:48 a.m. local time, operated by SkyWest as OO 3927. Over the past year it arrived on time 90% of the time (141 flights), better than other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 86% |
| Tuesday | 20 | 85% |
| Wednesday | 20 | 90% |
| Thursday | 20 | 95% |
| Friday | 20 | 85% |
| Saturday | 20 | 100% |
| Sunday | 20 | 90% |
Why it was late
All flights RAP → MSP · Connecting off DL 3927? Check the risk
Questions
How often is DL 3927 from RAP to MSP late?
Delta Air Lines 3927 from Rapid City, SD to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 10% of 141 scheduled flights between September 2025 and August 2026. 0.7% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.