WN1955 MDW → GRR
Southwest Airlines · Chicago, IL to Grand Rapids, MI · 58 flights observed, 2026-04-07 to 2026-06-03 · 137 mi
WN1955 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
46%
Median delay
+17 min
90th percentile
+83 min
Cancellation rate
3%
How often is WN1955 on time?
Across 58 flights on MDW → GRR from 2026-04-07 to 2026-06-03, WN1955 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +83 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 | 26 | 46% |
| 16-30 min | 9 | 16% |
| 31-60 min | 8 | 14% |
| 61-120 min | 10 | 18% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 22 | 45% | +35 min |
| 2026-05 | 31 | 48% | +34 min |
| 2026-06 | 3 | 33% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 25% |
| Tue | 9 | 44% |
| Wed | 9 | 67% |
| Thu | 7 | 43% |
| Fri | 7 | 57% |
| Sat | 8 | 25% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…