Flight OddsSMF → SEA Southwest Airlines
Southwest Airlines · Sacramento, CA to Seattle, WA · 1,155 flights, 2025-07-01 to 2026-06-30 · aggregated across 65 flight numbers
On-time arrival
78%
Median delay
-3 min
90th percentile
+35 min
Cancellation rate
0%
How on-time is Southwest Airlines from SMF to SEA?
Across every Southwest Airlines flight number on SMF → SEA (1,155 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +35 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 904 | 78% |
| 16-30 min | 116 | 10% |
| 31-60 min | 77 | 7% |
| 61-120 min | 46 | 4% |
| 2+ hrs | 10 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 127 | 74% | +9 min |
| 2025-08 | 112 | 76% | +7 min |
| 2025-09 | 107 | 79% | +3 min |
| 2025-10 | 101 | 78% | +6 min |
| 2025-11 | 84 | 83% | 0 min |
| 2025-12 | 96 | 73% | +8 min |
| 2026-01 | 84 | 92% | -4 min |
| 2026-02 | 79 | 84% | -1 min |
| 2026-03 | 84 | 80% | +2 min |
| 2026-04 | 85 | 85% | +1 min |
| 2026-05 | 88 | 78% | +1 min |
| 2026-06 | 106 | 66% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 184 | 80% |
| Tue | 167 | 83% |
| Wed | 162 | 86% |
| Thu | 182 | 74% |
| Fri | 181 | 77% |
| Sat | 112 | 79% |
| Sun | 165 | 70% |
WN flight numbers on SMF → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…