Flight OddsDelta Air Lines · Grand Rapids, MI to Minneapolis, MN · 76 flights observed, 2026-03-08 to 2026-06-30 · 408 mi
DL3990 covers more than one route in the data window — the stats below are for GRR → MSP, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL3990 on time?
Across 76 flights on GRR → MSP from 2026-03-08 to 2026-06-30, DL3990 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +26 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 64 | 86% |
| 16-30 min | 4 | 5% |
| 31-60 min | 3 | 4% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 22 | 86% | -8 min |
| 2026-04 | 12 | 92% | -11 min |
| 2026-05 | 25 | 88% | 0 min |
| 2026-06 | 15 | 80% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 91% |
| Tue | 11 | 82% |
| Wed | 9 | 100% |
| Thu | 11 | 82% |
| Fri | 11 | 91% |
| Sat | 11 | 82% |
| Sun | 10 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…