Flight OddsGRR → DEN Southwest Airlines
Southwest Airlines · Grand Rapids, MI to Denver, CO · 363 flights, 2025-07-01 to 2026-06-30 · aggregated across 25 flight numbers
On-time arrival
78%
Median delay
-5 min
90th percentile
+34 min
Cancellation rate
0%
How on-time is Southwest Airlines from GRR to DEN?
Across every Southwest Airlines flight number on GRR → DEN (363 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +34 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 284 | 78% |
| 16-30 min | 36 | 10% |
| 31-60 min | 22 | 6% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 39 | 90% | -2 min |
| 2025-08 | 36 | 83% | +16 min |
| 2025-09 | 34 | 85% | +1 min |
| 2025-10 | 31 | 97% | -11 min |
| 2025-11 | 32 | 94% | -10 min |
| 2025-12 | 33 | 76% | +1 min |
| 2026-01 | 32 | 75% | +18 min |
| 2026-02 | 27 | 78% | +2 min |
| 2026-03 | 8 | 88% | +1 min |
| 2026-04 | 25 | 88% | -2 min |
| 2026-05 | 31 | 65% | +10 min |
| 2026-06 | 34 | 32% | +38 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 72% |
| Tue | 49 | 78% |
| Wed | 48 | 75% |
| Thu | 47 | 87% |
| Fri | 47 | 79% |
| Sat | 66 | 74% |
| Sun | 59 | 85% |
WN flight numbers on GRR → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…