Route
GSO → MIA
Piedmont Triad International Airport Miami International Airport
710 miles
Return route MIA → GSO →
How punctual is this route?
- On-time arrivals
- 84.5%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 540
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 20%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 30 |
| October 2025 | 91.2% | 34 |
| November 2025 | 87.0% | 60 |
| December 2025 | 77.8% | 54 |
| January 2026 | 85.7% | 61 |
| February 2026 | 86.8% | 39 |
| March 2026 | 83.9% | 31 |
| April 2026 | 93.9% | 33 |
| May 2026 | 86.0% | 43 |
| June 2026 | 80.0% | 51 |
| July 2026 | 65.4% | 53 |
| August 2026 | 89.8% | 51 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Envoy Air | 535 | 84.6% | 2.4% | 56 min |
| Republic Airways | 4 | 100.0% | 0.0% | — |
| American Airlines | 1 | 0.0% | 0.0% | 105 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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