Flight OddsDL409 JFK → SFO
Delta Air Lines · New York, NY to San Francisco, CA · 172 flights observed, 2025-07-01 to 2025-12-19 · 2,586 mi
DL409 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
85%
Median delay
-9 min
90th percentile
+31 min
Cancellation rate
1%
How often is DL409 on time?
Across 172 flights on JFK → SFO from 2025-07-01 to 2025-12-19, DL409 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +31 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 146 | 85% |
| 16-30 min | 7 | 4% |
| 31-60 min | 9 | 5% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -4 min |
| 2025-08 | 31 | 97% | -17 min |
| 2025-09 | 30 | 97% | -15 min |
| 2025-10 | 31 | 74% | +17 min |
| 2025-11 | 30 | 80% | +18 min |
| 2025-12 | 18 | 72% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 88% |
| Tue | 25 | 96% |
| Wed | 25 | 92% |
| Thu | 25 | 80% |
| Fri | 25 | 80% |
| Sat | 24 | 75% |
| Sun | 23 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…