ON TIMEBOARD
Delta Air Lines / MSP → RAP

DL 3971 on time

Delta Air Lines 3971: Minneapolis to Rapid City at 9:23 a.m.; Rapid City to Minneapolis at 11:00 a.m. (past 12 months). Figures below the title are for MSP → RAP, its busiest leg

On time
84%
170 flights · likely 78–89%
Cancelled
0.6%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+61 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 6 DL 3971 flights from Minneapolis arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.6% were cancelled. The typical flight landed 8 minutes early.

DL 3971: MSP → RAP

Scheduled to leave Minneapolis at 9:23 a.m. local time, operated by SkyWest as OO 3971. Over the past year it arrived on time 84% of the time (170 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 81% on time (21 flights)81MarApr 2026: 86% on time (28 flights)86AprMay 2026: 90% on time (31 flights)90MayJun 2026: 83% on time (30 flights)83JunJul 2026: 77% on time (31 flights)77JulAug 2026: 86% on time (29 flights)86Aug

By day of week

DayFlightsOn time
Monday2681%
Tuesday2592%
Wednesday2588%
Thursday2576%
Friday2387%
Saturday2095%
Sunday2673%

Why it was late

Airline (crew, maintenance, ops) 89%Air traffic & airport (NAS) 6%Severe weather 5%

All flights MSP → RAP · Connecting off DL 3971? Check the risk

DL 3971: RAP → MSP

Scheduled to leave Rapid City at 11:00 a.m. local time, operated by SkyWest as OO 3971. Over the past year it arrived on time 84% of the time (170 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 81% on time (21 flights)81MarApr 2026: 82% on time (28 flights)82AprMay 2026: 81% on time (31 flights)81MayJun 2026: 90% on time (30 flights)90JunJul 2026: 84% on time (31 flights)84JulAug 2026: 83% on time (29 flights)83Aug

By day of week

DayFlightsOn time
Monday2688%
Tuesday2596%
Wednesday2584%
Thursday2580%
Friday2383%
Saturday2085%
Sunday2669%

Why it was late

Airline (crew, maintenance, ops) 86%Severe weather 8%Air traffic & airport (NAS) 6%

All flights RAP → MSP · Connecting off DL 3971? Check the risk

Questions

How often is DL 3971 from MSP to RAP late?

Delta Air Lines 3971 from Minneapolis, MN to Rapid City, SD arrived 15 or more minutes late, was diverted or was cancelled on 16% of 170 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.

How often is DL 3971 from RAP to MSP late?

Delta Air Lines 3971 from Rapid City, SD to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 16% of 170 scheduled flights between September 2025 and August 2026. 0.6% 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.