Flight OddsSJC → MDW Southwest Airlines
Southwest Airlines · San Jose, CA to Chicago, IL · 538 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers
On-time arrival
84%
Median delay
-4 min
90th percentile
+23 min
Cancellation rate
0%
How on-time is Southwest Airlines from SJC to MDW?
Across every Southwest Airlines flight number on SJC → MDW (538 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +23 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 446 | 84% |
| 16-30 min | 44 | 8% |
| 31-60 min | 33 | 6% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 2 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 78 | 76% | +8 min |
| 2025-08 | 54 | 80% | +3 min |
| 2025-09 | 52 | 90% | -1 min |
| 2025-10 | 32 | 94% | -8 min |
| 2025-11 | 29 | 93% | -3 min |
| 2025-12 | 31 | 97% | -9 min |
| 2026-01 | 14 | 79% | -6 min |
| 2026-02 | 19 | 100% | -14 min |
| 2026-03 | 51 | 88% | -6 min |
| 2026-04 | 56 | 88% | -3 min |
| 2026-05 | 56 | 68% | +9 min |
| 2026-06 | 58 | 83% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 83 | 77% |
| Tue | 80 | 80% |
| Wed | 78 | 88% |
| Thu | 84 | 81% |
| Fri | 82 | 85% |
| Sat | 59 | 95% |
| Sun | 64 | 86% |
WN flight numbers on SJC → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…