ON TIMEBOARD

MIA → GSO on time

Miami (Miami, FL) to Piedmont Triad (Greensboro/High Point, NC). Every scheduled flight, September 2025 to August 2026.

On time
78%
arrived < 15 min late
Cancelled
2.2%
539 flights
Typical arrival
−9 min
median vs schedule
When late
+54 min
average delay
Flights / day
1
1 airline

78% of flights from Miami to Greensboro arrived on time over the past 12 months. That is about the typical U.S. route. The 8 p.m. departures ran on time 79% of the time; the 4 p.m. ones 70%. 8% 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 → GSO: when a flight was late, it was under 45 minutes late 55% of the time. About 1 in 17 flights landed an hour or more late; 2.2% were cancelled outright.

Share of all 539 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines53978%2.2%−9 min5.9%+54 minEnvoy 99%, Republic Airways 1%, American Airlines 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%4 p.m. departures: 70% on time (145 flights)704p5 p.m. departures: too few flights (26 flights)5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (64 flights)7p8 p.m. departures: 79% on time (263 flights)798p9 p.m. departures: too few flights (37 flights)9p
MIA → GSO, 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 → GSO, each airline's last flight of the day was cancelled 1.7% of the time, against 5.2% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 0.0% of the time (earlier flights: 0.6%). 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 Airlines8:41 p.m.1.7%0.0%5.2%first flight 4:49 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.

By month

Each calendar month pooled over 2023–2026. Best: April (85%). Worst: July (64%).

40%70%100%Jan: 75% on time (129 flights)75JanFeb: too few flights (96 flights)FebMar: 72% on time (115 flights)72MarApr: 85% on time (123 flights)85AprMay: 74% on time (109 flights)74MayJun: 74% on time (111 flights)74JunJul: 64% on time (115 flights)64JulAug: 80% on time (113 flights)80AugSep: too few flights (90 flights)SepOct: too few flights (96 flights)OctNov: 85% on time (119 flights)85NovDec: 83% on time (127 flights)83Dec

By day of week

DayFlightsOn timeCancelled
Monday81——
Tuesday66——
Wednesday66——
Thursday77——
Friday79——
Saturday90——
Sunday80——

Why flights were late

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

Late inbound plane 48%Air traffic & airport (NAS) 24%Airline (crew, maintenance, ops) 18%Severe weather 10%

Cancellations: weather 6 · air traffic/airport 6

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 37548:41 p.m.32081%0.9%−9 minEnvoy

Questions

How often are flights from MIA to GSO on time?

78% of 539 scheduled flights from Miami, FL to Greensboro/High Point, NC arrived within 15 minutes of schedule between September 2025 and August 2026. 2.2% were cancelled.

What is the best time of day to fly MIA to GSO?

Flights scheduled to leave at 8 p.m. were the most reliable (79% on time). The 4 p.m. departures were the least (70%).

What month has the most delays from MIA to GSO?

July (64% on time). The best month is April (85%), over 2023–2026.

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

No, the opposite. Each airline's last MIA–GSO flight of the day was cancelled 1.7% of the time over the past year, against 5.2% 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.