Flight OddsSouthwest Airlines · San Francisco, CA to San Diego, CA · 32 flights observed, 2026-04-09 to 2026-06-01 · 447 mi
WN4217 covers more than one route in the data window — the stats below are for SFO → SAN, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4217 on time?
Across 32 flights on SFO → SAN from 2026-04-09 to 2026-06-01, WN4217 arrived within 15 minutes of schedule 23% of the time. The median arrival delay was +79 min, and the worst 10% of flights arrived +128 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 23% |
| 16-30 min | 1 | 3% |
| 31-60 min | 2 | 6% |
| 61-120 min | 17 | 55% |
| 2+ hrs | 4 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 13 | 23% | +75 min |
| 2026-05 | 17 | 24% | +65 min |
| 2026-06 | 1 | 0% | +120 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 0% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 7 | 14% |
| Fri | 8 | 0% |
| Sat | No data | — |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…