Flight OddsWN503 SLC → PHX
Southwest Airlines · Salt Lake City, UT to Phoenix, AZ · 24 flights observed, 2025-11-03 to 2026-01-01 · 507 mi
WN503 covers more than one route in the data window — the stats below are for SLC → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-6 min
90th percentile
+40 min
Cancellation rate
0%
How often is WN503 on time?
Across 24 flights on SLC → PHX from 2025-11-03 to 2026-01-01, WN503 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +40 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 | 19 | 79% |
| 16-30 min | 1 | 4% |
| 31-60 min | 3 | 13% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 67% | +21 min |
| 2025-12 | 14 | 86% | -4 min |
| 2026-01 | 1 | 100% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 6 | 67% |
| Wed | 8 | 88% |
| Thu | 5 | 60% |
| Fri | 1 | 100% |
| 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…