ON TIMEBOARD
Delta Air Lines / LGA → MIA

DL 1538 on time

Delta Air Lines 1538: New York to Miami at 11:15 a.m.; Miami to New York at 3:29 p.m. (past 12 months). Figures below the title are for LGA → MIA, its busiest leg

On time
72%
177 flights · likely 65–78%
Cancelled
2.8%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+62 min
average delay
Similar flights
72%
DL, same route & hour

About 1 in 4 DL 1538 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (28%); 2.8% were cancelled. The typical flight landed 1 minutes early.

DL 1538: LGA → MIA

Scheduled to leave New York at 11:15 a.m. local time. Over the past year it arrived on time 72% of the time (177 flights), in line with other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 67% on time (24 flights)67MarApr 2026: 73% on time (30 flights)73AprMay 2026: 77% on time (31 flights)77MayJun 2026: 87% on time (30 flights)87JunJul 2026: 65% on time (31 flights)65JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday2673%
Tuesday2576%
Wednesday2576%
Thursday2564%
Friday2580%
Saturday2572%
Sunday2662%

Why it was late

Air traffic & airport (NAS) 48%Late inbound plane 24%Airline (crew, maintenance, ops) 22%Security 6%

All flights LGA → MIA · Connecting off DL 1538? Check the risk

DL 1538: MIA → LGA

Scheduled to leave Miami at 3:29 p.m. local time. Over the past year it arrived on time 61% of the time (140 flights), worse than other DL flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 78% on time (18 flights)78AprMay 2026: 65% on time (31 flights)65MayJun 2026: 70% on time (30 flights)70JunJul 2026: 50% on time (30 flights)50JulAug 2026: 48% on time (31 flights)48Aug

By day of week

DayFlightsOn time
Monday2167%
Tuesday2080%
Wednesday2055%
Thursday2055%
Friday2060%
Saturday19—
Sunday2045%

Why it was late

Late inbound plane 39%Air traffic & airport (NAS) 31%Airline (crew, maintenance, ops) 23%Severe weather 7%

All flights MIA → LGA · Connecting off DL 1538? Check the risk

Questions

How often is DL 1538 from LGA to MIA late?

Delta Air Lines 1538 from New York, NY to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 28% of 177 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.

How often is DL 1538 from MIA to LGA late?

Delta Air Lines 1538 from Miami, FL to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 39% of 140 scheduled flights between September 2025 and August 2026. 6.4% 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.