DL1579 MIA → ATL
Delta Air Lines · Miami, FL to Atlanta, GA · 325 flights observed, 2025-07-01 to 2026-06-30 · 594 mi
DL1579 covers more than one route in the data window — the stats below are for MIA → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
+1 min
90th percentile
+87 min
Cancellation rate
1%
How often is DL1579 on time?
Across 325 flights on MIA → ATL from 2025-07-01 to 2026-06-30, DL1579 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +87 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 | 214 | 66% |
| 16-30 min | 23 | 7% |
| 31-60 min | 41 | 13% |
| 61-120 min | 26 | 8% |
| 2+ hrs | 18 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 47% | +24 min |
| 2025-08 | 31 | 52% | +55 min |
| 2025-09 | 30 | 73% | +20 min |
| 2025-10 | 30 | 63% | +23 min |
| 2025-11 | 30 | 63% | +25 min |
| 2025-12 | 30 | 67% | +25 min |
| 2026-01 | 27 | 67% | +10 min |
| 2026-02 | 28 | 68% | +13 min |
| 2026-03 | 7 | 43% | +57 min |
| 2026-04 | 18 | 89% | 0 min |
| 2026-05 | 31 | 74% | +11 min |
| 2026-06 | 30 | 83% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 68% |
| Tue | 46 | 70% |
| Wed | 45 | 76% |
| Thu | 47 | 70% |
| Fri | 45 | 62% |
| Sat | 46 | 59% |
| Sun | 46 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…