DL1786 SLC → ONT
Delta Air Lines · Salt Lake City, UT to Ontario, CA · 115 flights observed, 2025-07-01 to 2025-11-07 · 558 mi
DL1786 covers more than one route in the data window — the stats below are for SLC → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-7 min
90th percentile
+15 min
Cancellation rate
0%
How often is DL1786 on time?
Across 115 flights on SLC → ONT from 2025-07-01 to 2025-11-07, DL1786 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +15 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 | 103 | 90% |
| 16-30 min | 2 | 2% |
| 31-60 min | 5 | 4% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | +4 min |
| 2025-08 | 31 | 94% | -6 min |
| 2025-09 | 20 | 100% | -10 min |
| 2025-10 | 27 | 78% | +13 min |
| 2025-11 | 6 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 94% |
| Tue | 17 | 88% |
| Wed | 17 | 82% |
| Thu | 18 | 83% |
| Fri | 18 | 89% |
| Sat | 9 | 100% |
| Sun | 18 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…