Flight OddsSouthwest Airlines · Salt Lake City, UT to Phoenix, AZ · 14 flights observed, 2025-07-03 to 2025-08-04 · 507 mi
WN4284 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”.
How often is WN4284 on time?
Across 14 flights on SLC → PHX from 2025-07-03 to 2025-08-04, WN4284 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +129 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 69% |
| 16-30 min | 1 | 8% |
| 31-60 min | 1 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 11 | 64% | +33 min |
| 2025-08 | 2 | 100% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 60% |
| Fri | 3 | 33% |
| 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…