Flight OddsDL3857 SEA → GEG
Delta Air Lines · Seattle, WA to Spokane, WA · 79 flights observed, 2026-04-13 to 2026-06-30 · 224 mi
DL3857 covers more than one route in the data window — the stats below are for SEA → GEG, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-14 min
90th percentile
+1 min
Cancellation rate
0%
How often is DL3857 on time?
Across 79 flights on SEA → GEG from 2026-04-13 to 2026-06-30, DL3857 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +1 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 | 75 | 95% |
| 16-30 min | 1 | 1% |
| 31-60 min | 2 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 18 | 94% | -13 min |
| 2026-05 | 31 | 97% | -11 min |
| 2026-06 | 30 | 93% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 92% |
| Tue | 12 | 100% |
| Wed | 11 | 100% |
| Thu | 11 | 91% |
| Fri | 11 | 100% |
| Sat | 11 | 100% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…