Flight OddsMDW → CHS Southwest Airlines
Southwest Airlines · Chicago, IL to Charleston, SC · 357 flights, 2025-07-01 to 2026-06-30 · aggregated across 24 flight numbers
On-time arrival
75%
Median delay
0 min
90th percentile
+45 min
Cancellation rate
2%
How on-time is Southwest Airlines from MDW to CHS?
Across every Southwest Airlines flight number on MDW → CHS (357 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +45 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 262 | 75% |
| 16-30 min | 35 | 10% |
| 31-60 min | 29 | 8% |
| 61-120 min | 19 | 5% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 37 | 65% | +19 min |
| 2025-08 | 35 | 80% | +16 min |
| 2025-09 | 34 | 82% | -2 min |
| 2025-10 | 35 | 86% | +2 min |
| 2025-11 | 20 | 80% | +12 min |
| 2025-12 | 17 | 71% | +14 min |
| 2026-01 | 9 | 56% | +12 min |
| 2026-02 | 18 | 78% | -3 min |
| 2026-03 | 28 | 86% | +6 min |
| 2026-04 | 32 | 84% | +0 min |
| 2026-05 | 36 | 75% | +5 min |
| 2026-06 | 50 | 54% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 57% |
| Tue | 39 | 72% |
| Wed | 35 | 74% |
| Thu | 45 | 69% |
| Fri | 52 | 81% |
| Sat | 55 | 87% |
| Sun | 78 | 77% |
WN flight numbers on MDW → CHS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…