SEA → PHX Southwest Airlines
Southwest Airlines · Seattle, WA to Phoenix, AZ · 1,036 flights, 2025-07-01 to 2026-06-30 · aggregated across 62 flight numbers
On-time arrival
70%
Median delay
+3 min
90th percentile
+45 min
Cancellation rate
1%
How on-time is Southwest Airlines from SEA to PHX?
Across every Southwest Airlines flight number on SEA → PHX (1,036 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay +3 min; the worst 10% ran +45 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 715 | 70% |
| 16-30 min | 141 | 14% |
| 31-60 min | 107 | 10% |
| 61-120 min | 44 | 4% |
| 2+ hrs | 19 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 104 | 71% | +9 min |
| 2025-08 | 90 | 68% | +17 min |
| 2025-09 | 84 | 76% | +11 min |
| 2025-10 | 92 | 71% | +12 min |
| 2025-11 | 74 | 68% | +17 min |
| 2025-12 | 77 | 70% | +10 min |
| 2026-01 | 66 | 86% | 0 min |
| 2026-02 | 66 | 85% | +0 min |
| 2026-03 | 88 | 58% | +21 min |
| 2026-04 | 89 | 65% | +16 min |
| 2026-05 | 93 | 75% | +7 min |
| 2026-06 | 103 | 53% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 153 | 67% |
| Tue | 142 | 76% |
| Wed | 139 | 74% |
| Thu | 154 | 64% |
| Fri | 152 | 64% |
| Sat | 152 | 73% |
| Sun | 134 | 71% |
WN flight numbers on SEA → PHX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…