Route Reliability
Greenville → Washington
GSP–DCA · 396 miles · Greenville–Spartanburg International Airport to Ronald Reagan Washington National Airport
- 69%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 5.4%
- Cancelled
- 1,021
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 69% of the time across 1,021 flights. No comparison to make.
What the data says
Morning-you made the right choice.
GSP–DCA flights departing between 6–9 AM arrived on time 79% of the time, versus 50% between 6–9 PM.
Thursdays have been rough.
GSP–DCA flights arrived on time 81% of the time on Saturdays and just 62% on Thursdays. 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.
GSP–DCA flights arrived on time 71% of the time over the last three months in the data, compared with 58% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon66%(139 flights)
- Tue68%(149 flights)
- Wed64%(148 flights)
- Thu62%(145 flights)
- Fri73%(137 flights)
- Sat81%(108 flights)
- Sun70%(138 flights)
- 6–9 AM79%(349 flights)
- 9 AM–12 PM72%(314 flights)
- 12–3 PM68%(37 flights)
- 3–6 PM—(5 flights)
- 6–9 PM50%(259 flights)
Jun 68% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 77 |
| July 2025 | 70% | 76 |
| August 2025 | 77% | 79 |
| September 2025 | 70% | 90 |
| October 2025 | 79% | 90 |
| November 2025 | 70% | 79 |
| December 2025 | 69% | 71 |
| January 2026 | 55% | 76 |
| February 2026 | 51% | 75 |
| March 2026 | 58% | 85 |
| April 2026 | 80% | 79 |
| May 2026 | 75% | 87 |
Same trip, other airports
Keep nerding
Based on 1,021 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.