Flight OddsBOI → MDW Southwest Airlines
Southwest Airlines · Boise, ID to Chicago, IL · 81 flights, 2025-07-03 to 2026-06-30 · aggregated across 8 flight numbers
On-time arrival
88%
Median delay
-5 min
90th percentile
+19 min
Cancellation rate
0%
How on-time is Southwest Airlines from BOI to MDW?
Across every Southwest Airlines flight number on BOI → MDW (81 flights, 2025-07-03 to 2026-06-30), 88% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +19 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 70 | 88% |
| 16-30 min | 4 | 5% |
| 31-60 min | 4 | 5% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 95% | -4 min |
| 2025-08 | 18 | 83% | +2 min |
| 2025-09 | 17 | 76% | +7 min |
| 2025-10 | 1 | 100% | -7 min |
| 2026-06 | 23 | 91% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 94% |
| Tue | 4 | 100% |
| Wed | 3 | 100% |
| Thu | 18 | 89% |
| Fri | 17 | 88% |
| Sat | 5 | 80% |
| Sun | 17 | 76% |
WN flight numbers on BOI → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…