Flight OddsDL1539 SLC → KOA
Delta Air Lines · Salt Lake City, UT to Kona, HI · 80 flights observed, 2026-01-05 to 2026-04-12 · 2,966 mi
DL1539 covers more than one route in the data window — the stats below are for SLC → KOA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-7 min
90th percentile
+42 min
Cancellation rate
3%
How often is DL1539 on time?
Across 80 flights on SLC → KOA from 2026-01-05 to 2026-04-12, DL1539 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +42 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 60 | 77% |
| 16-30 min | 5 | 6% |
| 31-60 min | 8 | 10% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 19 | 79% | +8 min |
| 2026-02 | 20 | 70% | +1 min |
| 2026-03 | 27 | 78% | +13 min |
| 2026-04 | 12 | 83% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 93% |
| Tue | 5 | 80% |
| Wed | 5 | 60% |
| Thu | 14 | 86% |
| Fri | 14 | 86% |
| Sat | 13 | 69% |
| Sun | 13 | 54% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…