DL770 ATL → ONT
Delta Air Lines · Atlanta, GA to Ontario, CA · 182 flights observed, 2025-07-01 to 2026-01-04 · 1,900 mi
DL770 covers more than one route in the data window — the stats below are for ATL → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
0 min
90th percentile
+48 min
Cancellation rate
2%
How often is DL770 on time?
Across 182 flights on ATL → ONT from 2025-07-01 to 2026-01-04, DL770 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +48 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 138 | 78% |
| 16-30 min | 17 | 10% |
| 31-60 min | 10 | 6% |
| 61-120 min | 11 | 6% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 71% | +19 min |
| 2025-08 | 30 | 77% | +7 min |
| 2025-09 | 30 | 80% | +4 min |
| 2025-10 | 31 | 77% | +13 min |
| 2025-11 | 28 | 89% | +4 min |
| 2025-12 | 28 | 71% | +7 min |
| 2026-01 | 3 | 67% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 85% |
| Tue | 27 | 78% |
| Wed | 27 | 81% |
| Thu | 26 | 81% |
| Fri | 25 | 68% |
| Sat | 21 | 67% |
| Sun | 26 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…