Flight OddsSEA → PDX Delta Air Lines
Delta Air Lines · Seattle, WA to Portland, OR · 2,649 flights, 2025-07-01 to 2026-06-30 · aggregated across 27 flight numbers
On-time arrival
87%
Median delay
-9 min
90th percentile
+21 min
Cancellation rate
0%
How on-time is Delta Air Lines from SEA to PDX?
Across every Delta Air Lines flight number on SEA → PDX (2,649 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +21 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,306 | 87% |
| 16-30 min | 158 | 6% |
| 31-60 min | 94 | 4% |
| 61-120 min | 57 | 2% |
| 2+ hrs | 26 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 240 | 87% | -3 min |
| 2025-08 | 238 | 89% | -2 min |
| 2025-09 | 227 | 87% | -6 min |
| 2025-10 | 239 | 92% | -8 min |
| 2025-11 | 197 | 88% | -6 min |
| 2025-12 | 196 | 81% | +4 min |
| 2026-01 | 206 | 87% | 0 min |
| 2026-02 | 190 | 91% | 0 min |
| 2026-03 | 208 | 82% | +8 min |
| 2026-04 | 224 | 93% | -3 min |
| 2026-05 | 242 | 87% | -1 min |
| 2026-06 | 234 | 82% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 385 | 87% |
| Tue | 393 | 89% |
| Wed | 381 | 89% |
| Thu | 382 | 84% |
| Fri | 379 | 87% |
| Sat | 340 | 89% |
| Sun | 381 | 86% |
DL flight numbers on SEA → PDX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…