Flight OddsWN1581 DEN → PDX
Southwest Airlines · Denver, CO to Portland, OR · 12 flights observed, 2025-10-05 to 2025-10-29 · 991 mi
WN1581 covers more than one route in the data window — the stats below are for DEN → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
0 min
90th percentile
+25 min
Cancellation rate
0%
How often is WN1581 on time?
Across 12 flights on DEN → PDX from 2025-10-05 to 2025-10-29, WN1581 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +25 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 | 9 | 75% |
| 16-30 min | 3 | 25% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 12 | 75% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…