Flight OddsSouthwest Airlines · Phoenix, AZ to San Francisco, CA · 16 flights observed, 2026-06-04 to 2026-06-29 · 651 mi
WN4603 covers more than one route in the data window — the stats below are for PHX → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4603 on time?
Across 16 flights on PHX → SFO from 2026-06-04 to 2026-06-29, WN4603 arrived within 15 minutes of schedule 25% of the time. The median arrival delay was +38 min, and the worst 10% of flights arrived +73 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 | 4 | 25% |
| 16-30 min | 1 | 6% |
| 31-60 min | 8 | 50% |
| 61-120 min | 2 | 13% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 16 | 25% | +45 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 25% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 4 | 25% |
| Fri | 4 | 0% |
| Sat | No data | — |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…