Best Time to Fly CHS to DCA: On-Time Stats by Hour & Airline
Charleston AFB/International → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.5% of Charleston (CHS) to Washington (DCA) flights arrived on time (1,751 scheduled flights). That is 5.1 points below the national average of 77.6%.
American Airlines was the most punctual of the 3 airlines on the route at 77.1%, while PSA Airlines trailed at 68.4%.
September has been the best month (85% on time) and Friday the weakest day of the week (68%).
4.5% of flights were cancelled, versus 1.8% nationally.
CHS 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 |
|---|---|---|---|---|
| American Airlines | 77.1% | 86 min | 1.6% | 510 |
| Republic Airways | 75.1% | 77 min | 4.9% | 367 |
| PSA Airlines | 68.4% | 138 min | 6.0% | 870 |
| Envoy Air | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CHS to DCA
On-time arrival % by scheduled departure hour (local time), 3,642 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.2% | 3.2% | 94 |
| 6am–7am | 91.3% | 3.8% | 480 |
| 7am–8am | 89.2% | 1.5% | 131 |
| 8am–9am | Limited data | 6 | |
| 9am–10am | Limited data | 1 | |
| 10am–11am | 79.6% | 4.6% | 262 |
| 11am–12pm | 82.9% | 3.9% | 464 |
| 12pm–1pm | Limited data | 6 | |
| 1pm–2pm | 75.6% | 5.3% | 95 |
| 2pm–3pm | 63.9% | 4.2% | 592 |
| 3pm–4pm | Limited data | 4 | |
| 4pm–5pm | 74.2% | 7.3% | 260 |
| 5pm–6pm | 71.5% | 6.7% | 421 |
| 6pm–7pm | 73.7% | 5.5% | 181 |
| 7pm–8pm | 56.0% | 8.8% | 611 |
| 8pm–9pm | 79.4% | 0.0% | 34 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CHS 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) | 88.5% | +13.3 pts | 1.6% | 62 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.6% | -0.6 pts | 0.9% | 115 |
| Summer peak (Jun 15 - Aug 15) | 67.8% | -7.4 pts | 8.8% | 600 |
| All other days | 75.2% | — | 4.8% | 2,865 |
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).