Southwest Airlines · San Antonio, TX to San Diego, CA · 25 flights observed, 2025-11-03 to 2026-01-01 · 1,129 mi
WN1899 covers more than one route in the data window — the stats below are for SAT → SAN, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN1899 on time?
Across 25 flights on SAT → SAN from 2025-11-03 to 2026-01-01, WN1899 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +6 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 | 22 | 92% |
| 16-30 min | 1 | 4% |
| 31-60 min | 1 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 10 | 100% | -13 min |
| 2025-12 | 14 | 86% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 6 | 83% |
| Wed | 8 | 88% |
| Thu | 4 | 100% |
| Fri | 1 | 100% |
| Sat | No data | — |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…