Flight OddsDL668 JFK → SFO
Delta Air Lines · New York, NY to San Francisco, CA · 359 flights observed, 2025-07-01 to 2026-06-30 · 2,586 mi
DL668 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
75%
Median delay
-6 min
90th percentile
+38 min
Cancellation rate
2%
How often is DL668 on time?
Across 359 flights on JFK → SFO from 2025-07-01 to 2026-06-30, DL668 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +38 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 | 264 | 75% |
| 16-30 min | 43 | 12% |
| 31-60 min | 22 | 6% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 97% | -15 min |
| 2025-08 | 30 | 90% | +1 min |
| 2025-09 | 30 | 87% | -10 min |
| 2025-10 | 31 | 90% | -3 min |
| 2025-11 | 30 | 70% | +25 min |
| 2025-12 | 27 | 41% | +29 min |
| 2026-01 | 29 | 76% | -4 min |
| 2026-02 | 26 | 65% | +3 min |
| 2026-03 | 30 | 80% | -3 min |
| 2026-04 | 28 | 57% | +38 min |
| 2026-05 | 31 | 68% | +11 min |
| 2026-06 | 28 | 75% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 69% |
| Tue | 52 | 73% |
| Wed | 51 | 82% |
| Thu | 52 | 79% |
| Fri | 52 | 71% |
| Sat | 48 | 75% |
| Sun | 47 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…