Best Time to Fly GSO to MIA: On-Time Stats by Hour & Airline
Piedmont Triad International → Miami International
Data through July 2026 · Last updated October 18, 2026
520 flights were scheduled from Greensboro/High Point (GSO) to Miami (MIA) in the last 12 months, and 84.4% of those that flew arrived on time, 6.7 points above the US average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
August has been the best month (95% on time) and Saturday the weakest day of the week (84%).
2.3% of flights were cancelled, versus 1.8% nationally.
GSO to MIA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 84.4% | 57 min | 2.3% | 515 |
| Republic Airways | Limited data | 4 | ||
| American Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GSO to MIA
On-time arrival % by scheduled departure hour (local time), 957 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 88.7% | 0.0% | 71 |
| 6am–7am | 90.7% | 1.4% | 218 |
| 7am–8am | 91.2% | 0.4% | 514 |
| 6pm–7pm | Limited data | 5 | |
| 7pm–8pm | 69.3% | 5.4% | 149 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on GSO to MIA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 88.5% | -1.2 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 79.3% | -10.3 pts | 0.6% | 157 |
| All other days | 89.6% | — | 1.6% | 728 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).