Flight OddsONT → ATL Delta Air Lines
Delta Air Lines · Ontario, CA to Atlanta, GA · 937 flights, 2025-07-01 to 2026-06-30 · aggregated across 6 flight numbers
On-time arrival
91%
Median delay
-12 min
90th percentile
+14 min
Cancellation rate
2%
How on-time is Delta Air Lines from ONT to ATL?
Across every Delta Air Lines flight number on ONT → ATL (937 flights, 2025-07-01 to 2026-06-30), 91% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +14 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 828 | 91% |
| 16-30 min | 29 | 3% |
| 31-60 min | 17 | 2% |
| 61-120 min | 21 | 2% |
| 2+ hrs | 18 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 85 | 93% | -12 min |
| 2025-08 | 81 | 96% | -20 min |
| 2025-09 | 77 | 97% | -13 min |
| 2025-10 | 84 | 90% | +3 min |
| 2025-11 | 82 | 89% | -1 min |
| 2025-12 | 84 | 89% | 0 min |
| 2026-01 | 61 | 77% | +32 min |
| 2026-02 | 56 | 95% | -11 min |
| 2026-03 | 57 | 88% | +1 min |
| 2026-04 | 77 | 91% | +7 min |
| 2026-05 | 92 | 87% | -3 min |
| 2026-06 | 77 | 94% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 136 | 88% |
| Tue | 136 | 93% |
| Wed | 132 | 95% |
| Thu | 133 | 92% |
| Fri | 131 | 91% |
| Sat | 112 | 88% |
| Sun | 133 | 89% |
DL flight numbers on ONT → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…