ON TIMEBOARD

DL 1386 on time

Delta Air Lines 1386: Miami to Atlanta at 6:15 p.m.; Atlanta to Miami at 3:15 p.m. (past 12 months). Figures below the title are for MIA → ATL, its busiest leg

On time
57%
340 flights · likely 52–62%
Cancelled
1.8%
of scheduled flights
Typical arrival
+5 min
median vs schedule
When late
+78 min
average delay
Similar flights
54%
DL, same route & hour

About 1 in 2 DL 1386 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (43%); 1.8% were cancelled. The typical flight landed 5 minutes late.

DL 1386: MIA → ATL

Scheduled to leave Miami at 6:15 p.m. local time. Over the past year it arrived on time 57% of the time (340 flights), in line with other DL flights on the route at that hour (54%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 67% on time (21 flights)67SepOct 2025: 69% on time (29 flights)69OctNov 2025: 59% on time (29 flights)59NovDec 2025: 45% on time (29 flights)45DecJan 2026: 59% on time (27 flights)59JanFeb 2026: 59% on time (22 flights)59FebMar 2026: 50% on time (30 flights)50MarApr 2026: 67% on time (30 flights)67AprMay 2026: 65% on time (31 flights)65MayJun 2026: 60% on time (30 flights)60JunJul 2026: 39% on time (31 flights)39JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday5351%
Tuesday4973%
Wednesday4871%
Thursday5064%
Friday5256%
Saturday3951%
Sunday4933%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 19%Severe weather 2%

All flights MIA → ATL · Connecting off DL 1386? Check the risk

DL 1386: ATL → MIA

Scheduled to leave Atlanta at 3:15 p.m. local time. Over the past year it arrived on time 62% of the time (337 flights), better than other DL flights on the route at that hour (58%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (13 flights)SepOct 2025: 69% on time (29 flights)69OctNov 2025: 60% on time (30 flights)60NovDec 2025: 55% on time (29 flights)55DecJan 2026: 59% on time (29 flights)59JanFeb 2026: 71% on time (24 flights)71FebMar 2026: 50% on time (30 flights)50MarApr 2026: 60% on time (30 flights)60AprMay 2026: 71% on time (31 flights)71MayJun 2026: 67% on time (30 flights)67JunJul 2026: 68% on time (31 flights)68JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday5163%
Tuesday4783%
Wednesday4674%
Thursday5074%
Friday5155%
Saturday4243%
Sunday5040%

Why it was late

Air traffic & airport (NAS) 42%Airline (crew, maintenance, ops) 39%Late inbound plane 15%Severe weather 3%

All flights ATL → MIA · Connecting off DL 1386? Check the risk

Questions

How often is DL 1386 from MIA to ATL late?

Delta Air Lines 1386 from Miami, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 43% of 340 scheduled flights between September 2025 and August 2026. 1.8% were cancelled.

How often is DL 1386 from ATL to MIA late?

Delta Air Lines 1386 from Atlanta, GA to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 38% of 337 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.