Flight OddsDL3820 SEA → GEG
Delta Air Lines · Seattle, WA to Spokane, WA · 119 flights observed, 2025-07-06 to 2025-11-08 · 224 mi
DL3820 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
89%
Median delay
-9 min
90th percentile
+18 min
Cancellation rate
0%
How often is DL3820 on time?
Across 119 flights on SEA → GEG from 2025-07-06 to 2025-11-08, DL3820 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +18 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 | 106 | 89% |
| 16-30 min | 3 | 3% |
| 31-60 min | 9 | 8% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 78% | -2 min |
| 2025-08 | 27 | 81% | +3 min |
| 2025-09 | 30 | 97% | -14 min |
| 2025-10 | 31 | 97% | -11 min |
| 2025-11 | 8 | 88% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 94% |
| Tue | 18 | 100% |
| Wed | 18 | 89% |
| Thu | 18 | 94% |
| Fri | 18 | 72% |
| Sat | 12 | 100% |
| Sun | 17 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…