ON TIMEBOARD

MIA → MEM on time

Miami (Miami, FL) to Frederick W. Smith (Memphis, TN). Every scheduled flight, September 2025 to August 2026.

On time
62%
arrived < 15 min late
Cancelled
1.5%
529 flights
Typical arrival
+3 min
median vs schedule
When late
+65 min
average delay
Flights / day
1
1 airline

62% of flights from Miami to Memphis arrived on time over the past 12 months. That is worse than the typical U.S. route. 13% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for MIA → MEM: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 59 three hours or more; 1.5% were cancelled outright.

Share of all 529 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines52962%1.5%+3 min11.2%+65 minAmerican Airlines 90%, Envoy 10%, Republic Airways 0%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at MIA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%3 p.m. departures: too few flights (65 flights)3p4 p.m. departures: too few flights (98 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (9 flights)7p8 p.m. departures: too few flights (7 flights)8p9 p.m. departures: too few flights (44 flights)9p10 p.m. departures: 56% on time (301 flights)5610p
MIA → MEM, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On MIA → MEM, each airline's last flight of the day was cancelled 2.4% of the time, against 1.2% for its earlier flights (2.0× as often). It arrived 3+ hours late 1.2% of the time (earlier flights: 1.8%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines10:28 p.m.2.4%1.2%1.2%first flight 9:15 p.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in MEM tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (71%). Worst: July (46%).

40%70%100%Jan: 60% on time (119 flights)60JanFeb: too few flights (94 flights)FebMar: 62% on time (114 flights)62MarApr: 67% on time (125 flights)67AprMay: 56% on time (108 flights)56MayJun: 60% on time (131 flights)60JunJul: 46% on time (114 flights)46JulAug: 49% on time (123 flights)49AugSep: too few flights (92 flights)SepOct: 70% on time (110 flights)70OctNov: 71% on time (117 flights)71NovDec: 66% on time (122 flights)66Dec

By day of week

DayFlightsOn timeCancelled
Monday83——
Tuesday65——
Wednesday59——
Thursday78——
Friday77——
Saturday86——
Sunday81——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 42%Late inbound plane 41%Air traffic & airport (NAS) 14%Severe weather 4%

Cancellations: weather 6 · airline 1 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 155110:28 p.m.20858%0.5%+4 minAmerican Airlines

Questions

How often are flights from MIA to MEM on time?

62% of 529 scheduled flights from Miami, FL to Memphis, TN arrived within 15 minutes of schedule between September 2025 and August 2026. 1.5% were cancelled.

What month has the most delays from MIA to MEM?

July (46% on time). The best month is November (71%), over 2023–2026.

Is the last flight of the day from MIA to MEM more likely to be cancelled?

Yes. Each airline's last MIA–MEM flight of the day was cancelled 2.4% of the time over the past year, against 1.2% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.