Flight OddsSLC → ONT Delta Air Lines
Delta Air Lines · Salt Lake City, UT to Ontario, CA · 1,209 flights, 2025-07-01 to 2026-06-30 · aggregated across 20 flight numbers
On-time arrival
90%
Median delay
-8 min
90th percentile
+16 min
Cancellation rate
1%
How on-time is Delta Air Lines from SLC to ONT?
Across every Delta Air Lines flight number on SLC → ONT (1,209 flights, 2025-07-01 to 2026-06-30), 90% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +16 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,076 | 90% |
| 16-30 min | 47 | 4% |
| 31-60 min | 35 | 3% |
| 61-120 min | 24 | 2% |
| 2+ hrs | 16 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 116 | 90% | +6 min |
| 2025-08 | 117 | 91% | -1 min |
| 2025-09 | 110 | 91% | -4 min |
| 2025-10 | 115 | 91% | 0 min |
| 2025-11 | 85 | 91% | -6 min |
| 2025-12 | 90 | 88% | -4 min |
| 2026-01 | 84 | 87% | -1 min |
| 2026-02 | 78 | 81% | +4 min |
| 2026-03 | 88 | 89% | -1 min |
| 2026-04 | 90 | 89% | +0 min |
| 2026-05 | 112 | 95% | -6 min |
| 2026-06 | 113 | 92% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 176 | 89% |
| Tue | 179 | 91% |
| Wed | 175 | 90% |
| Thu | 175 | 88% |
| Fri | 178 | 92% |
| Sat | 143 | 89% |
| Sun | 172 | 90% |
DL flight numbers on SLC → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…