Flight OddsDL5817 HHH → ATL
Delta Air Lines · Hilton Head, SC to Atlanta, GA · 196 flights observed, 2025-07-01 to 2026-06-30 · 238 mi
DL5817 covers more than one route in the data window — the stats below are for HHH → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-11 min
90th percentile
+37 min
Cancellation rate
1%
How often is DL5817 on time?
Across 196 flights on HHH → ATL from 2025-07-01 to 2026-06-30, DL5817 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +37 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 | 168 | 86% |
| 16-30 min | 7 | 4% |
| 31-60 min | 8 | 4% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 6 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 86% | +2 min |
| 2025-08 | 31 | 84% | +4 min |
| 2025-09 | 30 | 90% | -6 min |
| 2025-10 | 26 | 96% | -1 min |
| 2026-04 | 18 | 89% | -7 min |
| 2026-05 | 31 | 74% | +26 min |
| 2026-06 | 30 | 87% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 89% |
| Tue | 29 | 90% |
| Wed | 27 | 85% |
| Thu | 28 | 86% |
| Fri | 27 | 85% |
| Sat | 28 | 79% |
| Sun | 28 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…