Flight OddsDelta Air Lines · Seattle, WA to Pasco/Kennewick/Richland, WA · 186 flights observed, 2025-12-20 to 2026-06-30 · 172 mi
DL3891 covers more than one route in the data window — the stats below are for SEA → PSC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL3891 on time?
Across 186 flights on SEA → PSC from 2025-12-20 to 2026-06-30, DL3891 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +32 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 156 | 84% |
| 16-30 min | 9 | 5% |
| 31-60 min | 12 | 6% |
| 61-120 min | 7 | 4% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 78% | +1 min |
| 2026-01 | 27 | 89% | -6 min |
| 2026-02 | 28 | 82% | +3 min |
| 2026-03 | 30 | 80% | +18 min |
| 2026-04 | 30 | 90% | -9 min |
| 2026-05 | 31 | 81% | 0 min |
| 2026-06 | 30 | 87% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 96% |
| Tue | 28 | 89% |
| Wed | 25 | 76% |
| Thu | 25 | 80% |
| Fri | 26 | 88% |
| Sat | 26 | 88% |
| Sun | 27 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…