Flight OddsDL531 ATL → SFO
Delta Air Lines · Atlanta, GA to San Francisco, CA · 147 flights observed, 2025-07-05 to 2026-06-10 · 2,139 mi
DL531 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
71%
Median delay
+3 min
90th percentile
+44 min
Cancellation rate
0%
How often is DL531 on time?
Across 147 flights on ATL → SFO from 2025-07-05 to 2026-06-10, DL531 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +44 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 105 | 71% |
| 16-30 min | 20 | 14% |
| 31-60 min | 13 | 9% |
| 61-120 min | 8 | 5% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 4 | 50% | +1 min |
| 2025-08 | 2 | 100% | -6 min |
| 2025-12 | 12 | 58% | +31 min |
| 2026-01 | 31 | 68% | +7 min |
| 2026-02 | 28 | 75% | +2 min |
| 2026-03 | 31 | 94% | -11 min |
| 2026-04 | 30 | 63% | +21 min |
| 2026-05 | 6 | 67% | +17 min |
| 2026-06 | 3 | 0% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 67% |
| Tue | 21 | 62% |
| Wed | 21 | 81% |
| Thu | 19 | 74% |
| Fri | 19 | 79% |
| Sat | 26 | 65% |
| Sun | 20 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…