Flight OddsDL3857 GEG → SEA
Delta Air Lines · Spokane, WA to Seattle, WA · 55 flights observed, 2026-05-07 to 2026-06-30 · 224 mi
DL3857 covers more than one route in the data window — the stats below are for GEG → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-15 min
90th percentile
-2 min
Cancellation rate
0%
How often is DL3857 on time?
Across 55 flights on GEG → SEA from 2026-05-07 to 2026-06-30, DL3857 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived -2 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 | 52 | 95% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 25 | 96% | -14 min |
| 2026-06 | 30 | 93% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 8 | 88% |
| Wed | 7 | 100% |
| Thu | 8 | 100% |
| Fri | 8 | 100% |
| Sat | 8 | 100% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…