Flight OddsDL3913 SEA → PDX
Delta Air Lines · Seattle, WA to Portland, OR · 328 flights observed, 2025-07-05 to 2026-06-30 · 129 mi
DL3913 covers more than one route in the data window — the stats below are for SEA → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-9 min
90th percentile
+21 min
Cancellation rate
0%
How often is DL3913 on time?
Across 328 flights on SEA → PDX from 2025-07-05 to 2026-06-30, DL3913 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +21 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 | 284 | 87% |
| 16-30 min | 18 | 6% |
| 31-60 min | 12 | 4% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 89% | -3 min |
| 2025-08 | 22 | 86% | -4 min |
| 2025-09 | 17 | 71% | +9 min |
| 2025-10 | 29 | 97% | -8 min |
| 2025-11 | 29 | 86% | -1 min |
| 2025-12 | 28 | 93% | -3 min |
| 2026-01 | 27 | 89% | +2 min |
| 2026-02 | 27 | 93% | -6 min |
| 2026-03 | 30 | 80% | +4 min |
| 2026-04 | 30 | 97% | -11 min |
| 2026-05 | 31 | 87% | +2 min |
| 2026-06 | 30 | 70% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 73% |
| Tue | 49 | 94% |
| Wed | 46 | 96% |
| Thu | 46 | 83% |
| Fri | 47 | 87% |
| Sat | 42 | 95% |
| Sun | 48 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…