Flight OddsMDW → BOI Southwest Airlines
Southwest Airlines · Chicago, IL to Boise, ID · 81 flights, 2025-07-03 to 2026-06-30 · aggregated across 7 flight numbers
On-time arrival
73%
Median delay
-1 min
90th percentile
+36 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to BOI?
Across every Southwest Airlines flight number on MDW → BOI (81 flights, 2025-07-03 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +36 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 58 | 73% |
| 16-30 min | 11 | 14% |
| 31-60 min | 7 | 9% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 71% | +5 min |
| 2025-08 | 19 | 89% | -8 min |
| 2025-09 | 17 | 82% | -2 min |
| 2025-10 | 1 | 100% | -25 min |
| 2026-06 | 22 | 50% | +43 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 76% |
| Tue | 4 | 75% |
| Wed | 2 | 50% |
| Thu | 17 | 71% |
| Fri | 17 | 76% |
| Sat | 5 | 80% |
| Sun | 18 | 67% |
WN flight numbers on MDW → BOI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…