DL1234 ATL → MIA
Delta Air Lines · Atlanta, GA to Miami, FL · 276 flights observed, 2025-07-06 to 2026-06-05 · 594 mi
On-time arrival
65%
Median delay
+6 min
90th percentile
+69 min
Cancellation rate
0%
How often is DL1234 on time?
Across 276 flights on ATL → MIA from 2025-07-06 to 2026-06-05, DL1234 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +69 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 178 | 65% |
| 16-30 min | 35 | 13% |
| 31-60 min | 29 | 11% |
| 61-120 min | 21 | 8% |
| 2+ hrs | 12 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 14 | 36% | +62 min |
| 2025-08 | 26 | 65% | +20 min |
| 2025-09 | 30 | 87% | +0 min |
| 2025-10 | 31 | 81% | +25 min |
| 2025-11 | 30 | 70% | +17 min |
| 2025-12 | 29 | 52% | +27 min |
| 2026-01 | 22 | 59% | +22 min |
| 2026-02 | 18 | 67% | +1 min |
| 2026-03 | 29 | 48% | +37 min |
| 2026-04 | 22 | 59% | +10 min |
| 2026-05 | 20 | 65% | +15 min |
| 2026-06 | 4 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 68% |
| Tue | 27 | 78% |
| Wed | 29 | 79% |
| Thu | 47 | 72% |
| Fri | 48 | 54% |
| Sat | 32 | 59% |
| Sun | 45 | 51% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…