Flight OddsDelta Air Lines · Santa Ana, CA to Salt Lake City, UT · 110 flights observed, 2025-08-11 to 2025-12-19 · 588 mi
DL509 covers more than one route in the data window — the stats below are for SNA → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL509 on time?
Across 110 flights on SNA → SLC from 2025-08-11 to 2025-12-19, DL509 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +26 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 95 | 87% |
| 16-30 min | 3 | 3% |
| 31-60 min | 2 | 2% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 17 | 82% | +4 min |
| 2025-09 | 26 | 85% | +34 min |
| 2025-10 | 26 | 92% | +20 min |
| 2025-11 | 23 | 87% | +31 min |
| 2025-12 | 17 | 88% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 95% |
| Tue | 19 | 84% |
| Wed | 19 | 95% |
| Thu | 18 | 78% |
| Fri | 17 | 94% |
| Sat | 1 | 0% |
| Sun | 16 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…