Best Time to Fly PIT to DCA: On-Time Stats by Hour & Airline
Pittsburgh International → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 68.1% of Pittsburgh (PIT) to Washington (DCA) flights arrived on time (1,431 scheduled flights). That is 9.5 points below the national average of 77.6%.
Republic Airways was the most punctual of the 4 airlines on the route at 74.7%, while Envoy Air trailed at 52.1%.
September has been the best month (88% on time) and Thursday the weakest day of the week (68%).
3.3% of flights were cancelled, versus 1.8% nationally.
PIT 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 |
|---|---|---|---|---|
| Republic Airways | 74.7% | 55 min | 1.7% | 765 |
| PSA Airlines | 63.9% | 88 min | 7.1% | 392 |
| American Airlines | 60.6% | 112 min | 2.0% | 101 |
| Envoy Air | 52.1% | 52 min | 2.3% | 173 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIT to DCA
On-time arrival % by scheduled departure hour (local time), 3,009 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.8% | 1.8% | 340 |
| 6am–7am | 91.0% | 2.0% | 147 |
| 7am–8am | 77.3% | 2.5% | 122 |
| 8am–9am | 69.7% | 2.5% | 321 |
| 9am–10am | 87.6% | 3.7% | 269 |
| 10am–11am | 78.5% | 3.5% | 431 |
| 11am–12pm | 82.7% | 5.1% | 79 |
| 12pm–1pm | 70.6% | 1.6% | 322 |
| 1pm–2pm | 60.6% | 3.0% | 262 |
| 2pm–3pm | 56.9% | 0.0% | 72 |
| 4pm–5pm | 80.8% | 2.1% | 48 |
| 5pm–6pm | 64.2% | 5.4% | 204 |
| 6pm–7pm | 55.6% | 4.9% | 123 |
| 7pm–8pm | 67.2% | 1.7% | 180 |
| 8pm–9pm | 28.9% | 13.5% | 89 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIT 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) | 70.9% | -3.1 pts | 0.0% | 55 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | +6.0 pts | 0.0% | 80 |
| Summer peak (Jun 15 - Aug 15) | 75.0% | +1.0 pts | 4.6% | 474 |
| All other days | 74.0% | — | 3.0% | 2,400 |
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).