Flight OddsDL3913 PDX → SEA
Delta Air Lines · Portland, OR to Seattle, WA · 253 flights observed, 2025-07-06 to 2026-06-05 · 129 mi
DL3913 covers more than one route in the data window — the stats below are for PDX → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-11 min
90th percentile
+20 min
Cancellation rate
0%
How often is DL3913 on time?
Across 253 flights on PDX → SEA from 2025-07-06 to 2026-06-05, DL3913 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +20 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 | 221 | 88% |
| 16-30 min | 15 | 6% |
| 31-60 min | 6 | 2% |
| 61-120 min | 8 | 3% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 83% | +4 min |
| 2025-08 | 20 | 90% | -3 min |
| 2025-09 | 17 | 71% | -3 min |
| 2025-10 | 23 | 96% | -6 min |
| 2025-11 | 14 | 79% | -1 min |
| 2025-12 | 26 | 85% | -2 min |
| 2026-01 | 25 | 92% | -6 min |
| 2026-02 | 22 | 95% | -11 min |
| 2026-03 | 26 | 92% | -2 min |
| 2026-04 | 26 | 92% | -8 min |
| 2026-05 | 25 | 84% | -9 min |
| 2026-06 | 5 | 80% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 43 | 81% |
| Tue | 42 | 95% |
| Wed | 40 | 95% |
| Thu | 41 | 85% |
| Fri | 42 | 86% |
| Sat | 4 | 50% |
| Sun | 40 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…