Best Time to Fly GSO to DCA: On-Time Stats by Hour & Airline
Piedmont Triad International → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 70.5% of Greensboro/High Point (GSO) to Washington (DCA) flights arrived on time (796 scheduled flights). That is 7.1 points below the national average of 77.6%.
Envoy Air was the most punctual of the 3 airlines on the route at 74.5%, while PSA Airlines trailed at 69.1%.
April has been the best month (83% on time) and Thursday the weakest day of the week (65%).
5.0% of flights were cancelled, versus 1.8% nationally.
GSO to DCA 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 | 74.5% | 68 min | 4.1% | 196 |
| Republic Airways | 69.6% | 76 min | 3.5% | 144 |
| PSA Airlines | 69.1% | 108 min | 5.9% | 456 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GSO to DCA
On-time arrival % by scheduled departure hour (local time), 1,538 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 87.1% | 2.8% | 72 |
| 6am–7am | 82.4% | 3.9% | 412 |
| 7am–8am | 75.7% | 6.3% | 79 |
| 8am–9am | Limited data | 4 | |
| 9am–10am | Limited data | 11 | |
| 10am–11am | 79.5% | 3.1% | 448 |
| 11am–12pm | 74.4% | 10.2% | 49 |
| 1pm–2pm | Limited data | 3 | |
| 2pm–3pm | 58.1% | 2.3% | 44 |
| 3pm–4pm | 57.5% | 8.6% | 139 |
| 4pm–5pm | Limited data | 29 | |
| 5pm–6pm | Limited data | 28 | |
| 6pm–7pm | 48.5% | 5.8% | 172 |
| 7pm–8pm | 54.4% | 4.2% | 48 |
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 DCA
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) | 62.9% | -11.5 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.0% | -1.4 pts | 0.0% | 37 |
| Summer peak (Jun 15 - Aug 15) | 66.0% | -8.3 pts | 8.4% | 237 |
| All other days | 74.4% | — | 4.3% | 1,229 |
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).