DL1666 MEM → ATL
Delta Air Lines · Memphis, TN to Atlanta, GA · 363 flights observed, 2025-07-01 to 2026-06-30 · 332 mi
On-time arrival
92%
Median delay
-17 min
90th percentile
+11 min
Cancellation rate
2%
How often is DL1666 on time?
Across 363 flights on MEM → ATL from 2025-07-01 to 2026-06-30, DL1666 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +11 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 324 | 92% |
| 16-30 min | 9 | 3% |
| 31-60 min | 6 | 2% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 90% | -4 min |
| 2025-08 | 30 | 93% | -8 min |
| 2025-09 | 30 | 97% | -11 min |
| 2025-10 | 31 | 97% | -14 min |
| 2025-11 | 29 | 97% | -8 min |
| 2025-12 | 31 | 100% | -15 min |
| 2026-01 | 29 | 90% | -17 min |
| 2026-02 | 27 | 93% | -18 min |
| 2026-03 | 29 | 83% | +2 min |
| 2026-04 | 28 | 82% | +22 min |
| 2026-05 | 31 | 81% | +10 min |
| 2026-06 | 30 | 97% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 87% |
| Tue | 51 | 94% |
| Wed | 52 | 85% |
| Thu | 52 | 92% |
| Fri | 51 | 90% |
| Sat | 47 | 96% |
| Sun | 49 | 98% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…