Flight OddsWN2156 DAL → SEA
Southwest Airlines · Dallas, TX to Seattle, WA · 24 flights observed, 2025-08-07 to 2025-09-29 · 1,670 mi
WN2156 covers more than one route in the data window — the stats below are for DAL → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-1 min
90th percentile
+33 min
Cancellation rate
0%
How often is WN2156 on time?
Across 24 flights on DAL → SEA from 2025-08-07 to 2025-09-29, WN2156 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +33 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 79% |
| 16-30 min | 2 | 8% |
| 31-60 min | 1 | 4% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 11 | 82% | +3 min |
| 2025-09 | 13 | 77% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 88% |
| Fri | 8 | 75% |
| 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…