WN423 DAL → SAN
Southwest Airlines · Dallas, TX to San Diego, CA · 50 flights observed, 2026-04-07 to 2026-06-03 · 1,182 mi
WN423 covers more than one route in the data window — the stats below are for DAL → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
49%
Median delay
+17 min
90th percentile
+99 min
Cancellation rate
6%
How often is WN423 on time?
Across 50 flights on DAL → SAN from 2026-04-07 to 2026-06-03, WN423 arrived within 15 minutes of schedule 49% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +99 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 49% |
| 16-30 min | 6 | 13% |
| 31-60 min | 6 | 13% |
| 61-120 min | 9 | 19% |
| 2+ hrs | 3 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 21 | 57% | +30 min |
| 2026-05 | 24 | 46% | +41 min |
| 2026-06 | 2 | 0% | +59 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 7 | 43% |
| Wed | 9 | 33% |
| Thu | 8 | 75% |
| Fri | 8 | 63% |
| Sat | No data | — |
| Sun | 7 | 14% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…