Flight OddsONT → SLC Delta Air Lines
Delta Air Lines · Ontario, CA to Salt Lake City, UT · 1,209 flights, 2025-07-01 to 2026-06-30 · aggregated across 19 flight numbers
On-time arrival
92%
Median delay
-14 min
90th percentile
+10 min
Cancellation rate
1%
How on-time is Delta Air Lines from ONT to SLC?
Across every Delta Air Lines flight number on ONT → SLC (1,209 flights, 2025-07-01 to 2026-06-30), 92% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +10 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,103 | 92% |
| 16-30 min | 33 | 3% |
| 31-60 min | 23 | 2% |
| 61-120 min | 17 | 1% |
| 2+ hrs | 21 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 116 | 91% | -6 min |
| 2025-08 | 117 | 96% | -13 min |
| 2025-09 | 110 | 91% | +5 min |
| 2025-10 | 115 | 94% | -9 min |
| 2025-11 | 85 | 94% | -12 min |
| 2025-12 | 90 | 86% | +2 min |
| 2026-01 | 84 | 87% | -2 min |
| 2026-02 | 78 | 87% | +8 min |
| 2026-03 | 88 | 88% | -2 min |
| 2026-04 | 89 | 96% | -10 min |
| 2026-05 | 112 | 96% | -12 min |
| 2026-06 | 113 | 96% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 174 | 91% |
| Tue | 179 | 94% |
| Wed | 175 | 94% |
| Thu | 175 | 86% |
| Fri | 178 | 92% |
| Sat | 143 | 93% |
| Sun | 173 | 95% |
DL flight numbers on ONT → SLC
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…