ON TIMEBOARD

DL 1620 on time

Delta Air Lines 1620: New York to Miami at 5:50 p.m. (past 12 months)

On time
58%
141 flights · likely 50–66%
Cancelled
1.4%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+107 min
average delay
Similar flights
61%
DL, same route & hour

About 1 in 2 DL 1620 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (42%); 1.4% were cancelled. The typical flight landed 1 minutes early.

DL 1620: LGA → MIA

Scheduled to leave New York at 5:50 p.m. local time. Over the past year it arrived on time 58% of the time (141 flights), in line with other DL flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 50% on time (18 flights)50AprMay 2026: 55% on time (31 flights)55MayJun 2026: 63% on time (30 flights)63JunJul 2026: 55% on time (31 flights)55JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday2152%
Tuesday2070%
Wednesday2060%
Thursday2055%
Friday2055%
Saturday2065%
Sunday2050%

Why it was late

Airline (crew, maintenance, ops) 54%Late inbound plane 25%Air traffic & airport (NAS) 20%Severe weather 1%

All flights LGA → MIA · Connecting off DL 1620? Check the risk

Questions

How often is DL 1620 from LGA to MIA late?

Delta Air Lines 1620 from New York, NY to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 42% of 141 scheduled flights between September 2025 and August 2026. 1.4% 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.