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).

ArrivalFlightsShare
Early / on-time17865%
16-30 min3513%
31-60 min2911%
61-120 min218%
2+ hrs124%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071436%+62 min
2025-082665%+20 min
2025-093087%+0 min
2025-103181%+25 min
2025-113070%+17 min
2025-122952%+27 min
2026-012259%+22 min
2026-021867%+1 min
2026-032948%+37 min
2026-042259%+10 min
2026-052065%+15 min
2026-064100%-9 min

Performance by day of week

DayFlightsOn-time
Mon4768%
Tue2778%
Wed2979%
Thu4772%
Fri4854%
Sat3259%
Sun4551%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…