Flight OddsSLC → MDW Southwest Airlines
Southwest Airlines · Salt Lake City, UT to Chicago, IL · 618 flights, 2025-07-01 to 2026-06-30 · aggregated across 28 flight numbers
On-time arrival
85%
Median delay
-7 min
90th percentile
+22 min
Cancellation rate
1%
How on-time is Southwest Airlines from SLC to MDW?
Across every Southwest Airlines flight number on SLC → MDW (618 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +22 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 515 | 85% |
| 16-30 min | 54 | 9% |
| 31-60 min | 29 | 5% |
| 61-120 min | 8 | 1% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 56 | 89% | +1 min |
| 2025-08 | 56 | 91% | -2 min |
| 2025-09 | 56 | 93% | 0 min |
| 2025-10 | 57 | 84% | -3 min |
| 2025-11 | 34 | 85% | -18 min |
| 2025-12 | 42 | 83% | -13 min |
| 2026-01 | 39 | 95% | -12 min |
| 2026-02 | 46 | 100% | -20 min |
| 2026-03 | 58 | 74% | +3 min |
| 2026-04 | 56 | 77% | +4 min |
| 2026-05 | 53 | 74% | +4 min |
| 2026-06 | 54 | 78% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 89 | 82% |
| Tue | 90 | 82% |
| Wed | 86 | 90% |
| Thu | 90 | 84% |
| Fri | 93 | 86% |
| Sat | 70 | 81% |
| Sun | 89 | 88% |
WN flight numbers on SLC → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…