Flight OddsWN636 DEN → GRR
Southwest Airlines · Denver, CO to Grand Rapids, MI · 46 flights observed, 2025-11-02 to 2026-01-05 · 1,015 mi
WN636 covers more than one route in the data window — the stats below are for DEN → GRR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+7 min
90th percentile
+69 min
Cancellation rate
0%
How often is WN636 on time?
Across 46 flights on DEN → GRR from 2025-11-02 to 2026-01-05, WN636 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +69 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 | 30 | 65% |
| 16-30 min | 4 | 9% |
| 31-60 min | 5 | 11% |
| 61-120 min | 5 | 11% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 67% | +22 min |
| 2025-12 | 20 | 65% | +17 min |
| 2026-01 | 2 | 50% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 6 | 100% |
| Wed | 8 | 63% |
| Thu | 8 | 63% |
| Fri | 6 | 50% |
| Sat | 4 | 50% |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…