Flight OddsSEA → DAL Southwest Airlines
Southwest Airlines · Seattle, WA to Dallas, TX · 220 flights, 2025-07-01 to 2026-06-30 · aggregated across 10 flight numbers
On-time arrival
47%
Median delay
+17 min
90th percentile
+71 min
Cancellation rate
0%
How on-time is Southwest Airlines from SEA to DAL?
Across every Southwest Airlines flight number on SEA → DAL (220 flights, 2025-07-01 to 2026-06-30), 47% arrived within 15 minutes of schedule. Median arrival delay +17 min; the worst 10% ran +71 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 103 | 47% |
| 16-30 min | 44 | 20% |
| 31-60 min | 41 | 19% |
| 61-120 min | 23 | 11% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 33 | 39% | +27 min |
| 2025-08 | 32 | 63% | +13 min |
| 2025-09 | 30 | 70% | +16 min |
| 2025-10 | 1 | 100% | -16 min |
| 2026-03 | 27 | 44% | +30 min |
| 2026-04 | 30 | 47% | +37 min |
| 2026-05 | 31 | 42% | +43 min |
| 2026-06 | 34 | 26% | +38 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 53% |
| Tue | 30 | 50% |
| Wed | 30 | 63% |
| Thu | 30 | 37% |
| Fri | 30 | 27% |
| Sat | 38 | 61% |
| Sun | 30 | 37% |
WN flight numbers on SEA → DAL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…