Flight OddsDL4637 MSP → RAP
Delta Air Lines · Minneapolis, MN to Rapid City, SD · 38 flights observed, 2026-01-05 to 2026-02-11 · 490 mi
DL4637 covers more than one route in the data window — the stats below are for MSP → RAP, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-18 min
90th percentile
+23 min
Cancellation rate
0%
How often is DL4637 on time?
Across 38 flights on MSP → RAP from 2026-01-05 to 2026-02-11, DL4637 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +23 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 32 | 84% |
| 16-30 min | 2 | 5% |
| 31-60 min | 2 | 5% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 27 | 85% | -9 min |
| 2026-02 | 11 | 82% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 6 | 83% |
| Wed | 6 | 83% |
| Thu | 5 | 100% |
| Fri | 5 | 60% |
| Sat | 5 | 100% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…