Flight OddsDL828 ONT → ATL
Delta Air Lines · Ontario, CA to Atlanta, GA · 139 flights observed, 2025-07-01 to 2026-01-04 · 1,900 mi
DL828 covers more than one route in the data window — the stats below are for ONT → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-17 min
90th percentile
+3 min
Cancellation rate
3%
How often is DL828 on time?
Across 139 flights on ONT → ATL from 2025-07-01 to 2026-01-04, DL828 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +3 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 130 | 96% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 1% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 92% | -13 min |
| 2025-08 | 20 | 100% | -22 min |
| 2025-09 | 17 | 100% | -15 min |
| 2025-10 | 23 | 91% | +18 min |
| 2025-11 | 24 | 96% | -10 min |
| 2025-12 | 23 | 100% | -13 min |
| 2026-01 | 3 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 100% |
| Tue | 23 | 96% |
| Wed | 21 | 100% |
| Thu | 20 | 100% |
| Fri | 22 | 91% |
| Sat | 4 | 100% |
| Sun | 23 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…