Flight OddsWN1138 MDW → GRR
Southwest Airlines · Chicago, IL to Grand Rapids, MI · 24 flights observed, 2025-08-07 to 2025-09-29 · 137 mi
WN1138 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
65%
Median delay
+1 min
90th percentile
+94 min
Cancellation rate
4%
How often is WN1138 on time?
Across 24 flights on MDW → GRR from 2025-08-07 to 2025-09-29, WN1138 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +94 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 65% |
| 16-30 min | 3 | 13% |
| 31-60 min | 1 | 4% |
| 61-120 min | 4 | 17% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 10 | 60% | +23 min |
| 2025-09 | 13 | 69% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 63% |
| Fri | 8 | 63% |
| 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…