Flight OddsDL340 SEA → KOA
Delta Air Lines · Seattle, WA to Kona, HI · 365 flights observed, 2025-07-01 to 2026-06-30 · 2,688 mi
DL340 covers more than one route in the data window — the stats below are for SEA → KOA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-6 min
90th percentile
+36 min
Cancellation rate
2%
How often is DL340 on time?
Across 365 flights on SEA → KOA from 2025-07-01 to 2026-06-30, DL340 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 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 | 281 | 78% |
| 16-30 min | 36 | 10% |
| 31-60 min | 22 | 6% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | -2 min |
| 2025-08 | 31 | 87% | -5 min |
| 2025-09 | 30 | 90% | -6 min |
| 2025-10 | 31 | 94% | -8 min |
| 2025-11 | 29 | 72% | +1 min |
| 2025-12 | 28 | 68% | +24 min |
| 2026-01 | 31 | 84% | -5 min |
| 2026-02 | 28 | 57% | +10 min |
| 2026-03 | 28 | 54% | +17 min |
| 2026-04 | 30 | 90% | 0 min |
| 2026-05 | 31 | 77% | -4 min |
| 2026-06 | 30 | 87% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 80% |
| Tue | 53 | 75% |
| Wed | 51 | 90% |
| Thu | 52 | 81% |
| Fri | 49 | 65% |
| Sat | 51 | 76% |
| Sun | 51 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…