Flight OddsSouthwest Airlines · Chicago, IL to San Francisco, CA · 33 flights observed, 2025-08-05 to 2025-10-01 · 1,855 mi
WN3402 covers more than one route in the data window — the stats below are for MDW → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN3402 on time?
Across 33 flights on MDW → SFO from 2025-08-05 to 2025-10-01, WN3402 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +48 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 24 | 73% |
| 16-30 min | 4 | 12% |
| 31-60 min | 2 | 6% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 15 | 80% | +17 min |
| 2025-09 | 17 | 71% | +15 min |
| 2025-10 | 1 | 0% | +27 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 9 | 67% |
| Wed | 9 | 67% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 75% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…