DL1663 ATL → CHS
Delta Air Lines · Atlanta, GA to Charleston, SC · 187 flights observed, 2025-07-01 to 2026-06-30 · 259 mi
DL1663 covers more than one route in the data window — the stats below are for ATL → CHS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-1 min
90th percentile
+38 min
Cancellation rate
1%
How often is DL1663 on time?
Across 187 flights on ATL → CHS from 2025-07-01 to 2026-06-30, DL1663 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -1 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 | 133 | 72% |
| 16-30 min | 25 | 14% |
| 31-60 min | 18 | 10% |
| 61-120 min | 5 | 3% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 52% | +28 min |
| 2025-08 | 10 | 60% | +20 min |
| 2026-01 | 13 | 77% | +6 min |
| 2026-02 | 14 | 79% | +9 min |
| 2026-03 | 26 | 69% | +10 min |
| 2026-04 | 30 | 93% | -4 min |
| 2026-05 | 31 | 71% | +5 min |
| 2026-06 | 30 | 73% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 29 | 83% |
| Tue | 23 | 61% |
| Wed | 22 | 59% |
| Thu | 31 | 77% |
| Fri | 30 | 77% |
| Sat | 22 | 86% |
| Sun | 28 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…