Route Reliability
Washington → GSO
DCA–GSO · 248 miles · Ronald Reagan Washington National Airport to GSO Airport
- 71%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 5.4%
- Cancelled
- 803
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 71% of the time across 803 flights. No comparison to make.
What the data says
Morning flights do better here.
DCA–GSO flights departing between 6–9 AM arrived on time 87% of the time, versus 59% between 6–9 PM.
Friday is doing you no favors.
DCA–GSO flights arrived on time 83% of the time on Saturdays and just 64% on Fridays. That gap is worth planning around.
Keep a backup plan handy.
This route was cancelled 5.4% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
DCA–GSO flights arrived on time 80% of the time over the last three months in the data, compared with 66% in the three months before that.
Flights on this route
The breakdown
- Mon74%(113 flights)
- Tue74%(120 flights)
- Wed70%(118 flights)
- Thu66%(113 flights)
- Fri64%(109 flights)
- Sat83%(75 flights)
- Sun70%(111 flights)
- 6–9 AM87%(246 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM67%(105 flights)
- 3–6 PM62%(181 flights)
- 6–9 PM59%(49 flights)
- 9 PM–12 AM62%(171 flights)
Jun 46% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 46% | 57 |
| July 2025 | 57% | 51 |
| August 2025 | 60% | 55 |
| September 2025 | 85% | 79 |
| October 2025 | 84% | 87 |
| November 2025 | 72% | 74 |
| December 2025 | 64% | 59 |
| January 2026 | 65% | 69 |
| February 2026 | 69% | 62 |
| March 2026 | 75% | 55 |
| April 2026 | 80% | 56 |
| May 2026 | 84% | 55 |
Same trip, other airports
Keep nerding
Based on 803 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.