Southwest Airlines · San Diego, CA to San Francisco, CA · 8 flights observed, 2025-10-07 to 2025-10-29 · 447 mi
WN1533 covers more than one route in the data window — the stats below are for SAN → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN1533 on time?
Across 8 flights on SAN → SFO from 2025-10-07 to 2025-10-29, WN1533 arrived within 15 minutes of schedule 38% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +51 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 | 3 | 38% |
| 16-30 min | 2 | 25% |
| 31-60 min | 2 | 25% |
| 61-120 min | 1 | 13% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 8 | 38% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 25% |
| Wed | 4 | 50% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| 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…