Route Reliability
GSO → Denver
GSO–DEN · 1,370 miles · GSO Airport to Denver International Airport
- 87%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 220
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 87% of the time across 220 flights. No comparison to make.
What the data says
Saturdays have been rough.
GSO–DEN flights arrived on time 94% of the time on Sundays and just 77% on Saturdays. That gap is worth planning around.
It basically never cancels.
Out of 220 scheduled flights, only 0.0% were cancelled.
Recent months have been rougher.
GSO–DEN flights arrived on time 79% of the time over the last three months in the data, compared with 96% in the three months before that.
The breakdown
- Mon81%(32 flights)
- Tue87%(31 flights)
- Wed90%(31 flights)
- Thu94%(31 flights)
- Fri87%(31 flights)
- Sat77%(31 flights)
- Sun94%(32 flights)
Jun 86% → Dec 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 29 |
| July 2025 | 100% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 80% | 30 |
| December 2025 | 71% | 31 |
Keep nerding
Based on 220 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.