ON TIMEBOARD

DL 450 on time

Delta Air Lines 450: Miami to Los Angeles at 7:50 a.m. (past 12 months)

On time
81%
365 flights · likely 76–85%
Cancelled
1.1%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+98 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 5 DL 450 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (19%); 1.1% were cancelled. The typical flight landed 9 minutes early.

DL 450: MIA → LAX

Scheduled to leave Miami at 7:50 a.m. local time. Over the past year it arrived on time 81% of the time (365 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 81% on time (31 flights)81OctNov 2025: 87% on time (30 flights)87NovDec 2025: 84% on time (31 flights)84DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 84% on time (31 flights)84MarApr 2026: 87% on time (30 flights)87AprMay 2026: 87% on time (31 flights)87MayJun 2026: 80% on time (30 flights)80JunJul 2026: 55% on time (31 flights)55JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5383%
Tuesday5281%
Wednesday5283%
Thursday5281%
Friday5279%
Saturday5281%
Sunday5279%

Why it was late

Late inbound plane 44%Airline (crew, maintenance, ops) 41%Air traffic & airport (NAS) 12%Severe weather 3%

All flights MIA → LAX · Connecting off DL 450? Check the risk

Questions

How often is DL 450 from MIA to LAX late?

Delta Air Lines 450 from Miami, FL to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 365 scheduled flights between September 2025 and August 2026. 1.1% 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.