Flight OddsDL823 ATL → SFO
Delta Air Lines · Atlanta, GA to San Francisco, CA · 362 flights observed, 2025-07-01 to 2026-06-30 · 2,139 mi
On-time arrival
67%
Median delay
+4 min
90th percentile
+47 min
Cancellation rate
1%
How often is DL823 on time?
Across 362 flights on ATL → SFO from 2025-07-01 to 2026-06-30, DL823 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +47 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 | 239 | 67% |
| 16-30 min | 60 | 17% |
| 31-60 min | 33 | 9% |
| 61-120 min | 12 | 3% |
| 2+ hrs | 14 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 61% | +10 min |
| 2025-08 | 31 | 61% | +20 min |
| 2025-09 | 30 | 70% | +9 min |
| 2025-10 | 31 | 61% | +16 min |
| 2025-11 | 29 | 83% | +12 min |
| 2025-12 | 30 | 77% | +18 min |
| 2026-01 | 28 | 68% | +12 min |
| 2026-02 | 28 | 61% | +20 min |
| 2026-03 | 30 | 87% | -2 min |
| 2026-04 | 29 | 62% | +16 min |
| 2026-05 | 31 | 55% | +18 min |
| 2026-06 | 30 | 57% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 60% |
| Tue | 53 | 77% |
| Wed | 52 | 63% |
| Thu | 51 | 69% |
| Fri | 51 | 61% |
| Sat | 49 | 76% |
| Sun | 50 | 62% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…