Flight OddsDAL → SEA Southwest Airlines
Southwest Airlines · Dallas, TX to Seattle, WA · 220 flights, 2025-07-01 to 2026-06-30 · aggregated across 13 flight numbers
On-time arrival
71%
Median delay
+4 min
90th percentile
+48 min
Cancellation rate
1%
How on-time is Southwest Airlines from DAL to SEA?
Across every Southwest Airlines flight number on DAL → SEA (220 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay +4 min; the worst 10% ran +48 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 154 | 71% |
| 16-30 min | 30 | 14% |
| 31-60 min | 19 | 9% |
| 61-120 min | 9 | 4% |
| 2+ hrs | 6 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 33 | 64% | +15 min |
| 2025-08 | 32 | 72% | +20 min |
| 2025-09 | 30 | 63% | +17 min |
| 2025-10 | 1 | 100% | -11 min |
| 2026-03 | 27 | 70% | +13 min |
| 2026-04 | 30 | 80% | +8 min |
| 2026-05 | 31 | 81% | +1 min |
| 2026-06 | 34 | 65% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 77% |
| Tue | 30 | 77% |
| Wed | 30 | 73% |
| Thu | 30 | 77% |
| Fri | 30 | 60% |
| Sat | 38 | 66% |
| Sun | 30 | 67% |
WN flight numbers on DAL → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…