Flight OddsDL635 SFO → ATL
Delta Air Lines · San Francisco, CA to Atlanta, GA · 182 flights observed, 2025-07-01 to 2026-06-05 · 2,139 mi
DL635 covers more than one route in the data window — the stats below are for SFO → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-3 min
90th percentile
+38 min
Cancellation rate
1%
How often is DL635 on time?
Across 182 flights on SFO → ATL from 2025-07-01 to 2026-06-05, DL635 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +38 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 | 138 | 77% |
| 16-30 min | 19 | 11% |
| 31-60 min | 12 | 7% |
| 61-120 min | 7 | 4% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 19 | 58% | +39 min |
| 2025-08 | 17 | 47% | +20 min |
| 2025-09 | 17 | 76% | +2 min |
| 2025-10 | 4 | 75% | -5 min |
| 2025-12 | 9 | 56% | +37 min |
| 2026-01 | 29 | 97% | -12 min |
| 2026-02 | 28 | 86% | -11 min |
| 2026-03 | 20 | 85% | +4 min |
| 2026-04 | 17 | 82% | +4 min |
| 2026-05 | 17 | 71% | +10 min |
| 2026-06 | 3 | 100% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 74% |
| Tue | 16 | 88% |
| Wed | 15 | 73% |
| Thu | 34 | 74% |
| Fri | 34 | 74% |
| Sat | 12 | 92% |
| Sun | 35 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…