Greensboro/High Point (GSO) to Miami (MIA): On-Time Performance
Data through July 2026
The calendar drives reliability on GSO–MIA. August 2024 flights landed on schedule 100% of the time, but July 2026 dropped to 65% — a gap of 35 points. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 69%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.4
- last 12 months
- Duration
- 2h 9m
- scheduled
- Distance
- 710 mi
Monthly on-time trend
Best time to fly from GSO to MIA
Aim for departures around 7 a.m. (91% on-time); avoid 7 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 10 min |
| Tuesday | 89% | 14 min |
| Wednesdaybest | 89% | 7 min |
| Thursday | 88% | 7 min |
| Friday | 89% | 5 min |
| Saturday | 83% | 10 min |
| Sunday | 88% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft32%
- Airline operations42%
- National airspace system21%
- Weather4%
Frequently asked questions
- How often are flights from GSO to MIA delayed?
- 13% of GSO–MIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 8 minutes.
- What is the best time of day to fly from GSO to MIA?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 7 p.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GSO to MIA?
- The scheduled GSO–MIA flight time averages 2h 9m over 710 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are GSO to MIA flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from GSO to MIA?
- July 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was August 2024 at 100%. If your dates are flexible, that 35-point gap is worth planning around.
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Based on 988 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.