Flight OddsWN4423 SAN → TUS
Southwest Airlines · San Diego, CA to Tucson, AZ · 19 flights observed, 2025-07-03 to 2025-08-04 · 367 mi
WN4423 covers more than one route in the data window — the stats below are for SAN → TUS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+21 min
90th percentile
+55 min
Cancellation rate
0%
How often is WN4423 on time?
Across 19 flights on SAN → TUS from 2025-07-03 to 2025-08-04, WN4423 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +55 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 | 9 | 47% |
| 16-30 min | 5 | 26% |
| 31-60 min | 3 | 16% |
| 61-120 min | 2 | 11% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 16 | 38% | +23 min |
| 2025-08 | 3 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 40% |
| Fri | 4 | 50% |
| Sat | 5 | 60% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…