Flight OddsWN1187 DEN → SEA
Southwest Airlines · Denver, CO to Seattle, WA · 35 flights observed, 2025-07-01 to 2025-08-04 · 1,024 mi
WN1187 covers more than one route in the data window — the stats below are for DEN → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
40%
Median delay
+28 min
90th percentile
+95 min
Cancellation rate
0%
How often is WN1187 on time?
Across 35 flights on DEN → SEA from 2025-07-01 to 2025-08-04, WN1187 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +95 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 | 14 | 40% |
| 16-30 min | 6 | 17% |
| 31-60 min | 7 | 20% |
| 61-120 min | 6 | 17% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 42% | +34 min |
| 2025-08 | 4 | 25% | +77 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 5 | 20% |
| Wed | 5 | 40% |
| Thu | 5 | 40% |
| Fri | 5 | 20% |
| Sat | 5 | 60% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…