Flight OddsDL4070 SEA → ONT
Delta Air Lines · Seattle, WA to Ontario, CA · 127 flights observed, 2025-12-20 to 2026-06-30 · 956 mi
DL4070 covers more than one route in the data window — the stats below are for SEA → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-7 min
90th percentile
+16 min
Cancellation rate
0%
How often is DL4070 on time?
Across 127 flights on SEA → ONT from 2025-12-20 to 2026-06-30, DL4070 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +16 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 114 | 90% |
| 16-30 min | 3 | 2% |
| 31-60 min | 3 | 2% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 75% | +23 min |
| 2026-01 | 4 | 50% | +61 min |
| 2026-03 | 24 | 88% | +10 min |
| 2026-04 | 30 | 87% | -2 min |
| 2026-05 | 31 | 97% | -6 min |
| 2026-06 | 26 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 84% |
| Tue | 19 | 95% |
| Wed | 18 | 83% |
| Thu | 18 | 94% |
| Fri | 18 | 89% |
| Sat | 16 | 100% |
| Sun | 19 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…