Flight OddsDL4150 SEA → GEG
Delta Air Lines · Seattle, WA to Spokane, WA · 60 flights observed, 2025-12-24 to 2026-06-05 · 224 mi
DL4150 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
93%
Median delay
-15 min
90th percentile
+10 min
Cancellation rate
2%
How often is DL4150 on time?
Across 60 flights on SEA → GEG from 2025-12-24 to 2026-06-05, DL4150 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +10 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 55 | 93% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 3% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 3 | 67% | +0 min |
| 2026-01 | 11 | 100% | -9 min |
| 2026-04 | 16 | 94% | -13 min |
| 2026-05 | 24 | 96% | -7 min |
| 2026-06 | 5 | 80% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 10 | 90% |
| Wed | 10 | 100% |
| Thu | 12 | 92% |
| Fri | 10 | 90% |
| Sat | No data | — |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…