Flight OddsWN491 MDW → GRR
Southwest Airlines · Chicago, IL to Grand Rapids, MI · 25 flights observed, 2025-07-01 to 2025-08-04 · 137 mi
WN491 covers more than one route in the data window — the stats below are for MDW → GRR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+4 min
90th percentile
+40 min
Cancellation rate
0%
How often is WN491 on time?
Across 25 flights on MDW → GRR from 2025-07-01 to 2025-08-04, WN491 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +40 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 | 16 | 64% |
| 16-30 min | 3 | 12% |
| 31-60 min | 4 | 16% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 65% | +26 min |
| 2025-08 | 2 | 50% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 5 | 40% |
| Fri | 5 | 40% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…