Flight OddsDL4137 GEG → SEA
Delta Air Lines · Spokane, WA to Seattle, WA · 276 flights observed, 2025-07-01 to 2026-06-07 · 224 mi
DL4137 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
96%
Median delay
-16 min
90th percentile
+3 min
Cancellation rate
0%
How often is DL4137 on time?
Across 276 flights on GEG → SEA from 2025-07-01 to 2026-06-07, DL4137 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +3 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 | 261 | 96% |
| 16-30 min | 4 | 1% |
| 31-60 min | 4 | 1% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 97% | -12 min |
| 2025-08 | 31 | 100% | -11 min |
| 2025-09 | 30 | 100% | -19 min |
| 2025-10 | 30 | 87% | -9 min |
| 2025-11 | 26 | 100% | -17 min |
| 2025-12 | 30 | 97% | -12 min |
| 2026-01 | 29 | 83% | +1 min |
| 2026-02 | 27 | 100% | -20 min |
| 2026-03 | 7 | 100% | -22 min |
| 2026-05 | 25 | 96% | -16 min |
| 2026-06 | 7 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 97% |
| Tue | 39 | 97% |
| Wed | 38 | 100% |
| Thu | 39 | 92% |
| Fri | 40 | 90% |
| Sat | 41 | 93% |
| Sun | 40 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…