Flight OddsDL635 ATL → SFO
Delta Air Lines · Atlanta, GA to San Francisco, CA · 101 flights observed, 2025-08-11 to 2025-12-19 · 2,139 mi
DL635 covers more than one route in the data window — the stats below are for ATL → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-5 min
90th percentile
+41 min
Cancellation rate
1%
How often is DL635 on time?
Across 101 flights on ATL → SFO from 2025-08-11 to 2025-12-19, DL635 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +41 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 | 75 | 76% |
| 16-30 min | 5 | 5% |
| 31-60 min | 11 | 11% |
| 61-120 min | 7 | 7% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 58% | +16 min |
| 2025-09 | 17 | 88% | +1 min |
| 2025-10 | 27 | 67% | +12 min |
| 2025-11 | 24 | 75% | +6 min |
| 2025-12 | 19 | 89% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 67% |
| Tue | 16 | 94% |
| Wed | 16 | 63% |
| Thu | 15 | 80% |
| Fri | 14 | 79% |
| Sat | 9 | 78% |
| Sun | 14 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…