DL670 JFK → SFO
Delta Air Lines · New York, NY to San Francisco, CA · 112 flights observed, 2025-12-20 to 2026-06-27 · 2,586 mi
DL670 covers more than one route in the data window — the stats below are for JFK → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
60%
Median delay
+7 min
90th percentile
+94 min
Cancellation rate
3%
How often is DL670 on time?
Across 112 flights on JFK → SFO from 2025-12-20 to 2026-06-27, DL670 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +94 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 | 65 | 60% |
| 16-30 min | 15 | 14% |
| 31-60 min | 12 | 11% |
| 61-120 min | 11 | 10% |
| 2+ hrs | 6 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 25% | +60 min |
| 2026-01 | 21 | 67% | +11 min |
| 2026-02 | 15 | 80% | -6 min |
| 2026-03 | 25 | 76% | +16 min |
| 2026-04 | 28 | 46% | +29 min |
| 2026-05 | 5 | 20% | +31 min |
| 2026-06 | 3 | 100% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 63% |
| Tue | 12 | 83% |
| Wed | 12 | 42% |
| Thu | 19 | 79% |
| Fri | 19 | 47% |
| Sat | 10 | 70% |
| Sun | 18 | 39% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…