Flight OddsGRR → BWI Southwest Airlines
Southwest Airlines · Grand Rapids, MI to Baltimore, MD · 432 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers
On-time arrival
82%
Median delay
-7 min
90th percentile
+30 min
Cancellation rate
1%
How on-time is Southwest Airlines from GRR to BWI?
Across every Southwest Airlines flight number on GRR → BWI (432 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +30 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 347 | 82% |
| 16-30 min | 34 | 8% |
| 31-60 min | 25 | 6% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 9 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 50 | 86% | +6 min |
| 2025-08 | 33 | 76% | +7 min |
| 2025-09 | 30 | 70% | +16 min |
| 2025-10 | 31 | 81% | +6 min |
| 2025-11 | 30 | 80% | -5 min |
| 2025-12 | 31 | 84% | +1 min |
| 2026-01 | 30 | 80% | -2 min |
| 2026-02 | 26 | 73% | +1 min |
| 2026-03 | 30 | 77% | +17 min |
| 2026-04 | 36 | 94% | -6 min |
| 2026-05 | 41 | 95% | -5 min |
| 2026-06 | 55 | 80% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 58 | 76% |
| Tue | 62 | 87% |
| Wed | 59 | 88% |
| Thu | 60 | 78% |
| Fri | 59 | 73% |
| Sat | 64 | 88% |
| Sun | 61 | 84% |
WN flight numbers on GRR → BWI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…