Flight OddsWN978 MDW → SAN
Southwest Airlines · Chicago, IL to San Diego, CA · 17 flights observed, 2025-10-04 to 2025-11-01 · 1,728 mi
WN978 covers more than one route in the data window — the stats below are for MDW → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
+3 min
90th percentile
+39 min
Cancellation rate
0%
How often is WN978 on time?
Across 17 flights on MDW → SAN from 2025-10-04 to 2025-11-01, WN978 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +39 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 | 13 | 81% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 19% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 15 | 80% | +8 min |
| 2025-11 | 1 | 100% | -34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 3 | 67% |
| Wed | 4 | 75% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 5 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…