Best Time to Fly CID to DCA: On-Time Stats by Hour & Airline
The Eastern Iowa → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
363 flights were scheduled from Cedar Rapids/Iowa City (CID) to Washington (DCA) in the last 12 months, and 74.4% of those that flew arrived on time, 3.2 points below the US average of 77.6%.
Among 3 airlines, Republic Airways led with 100.0% on time and PSA Airlines was last with 64.8%.
Over 24 months, Tuesday was the most reliable day (83% on time) and June the worst month (62%).
The cancellation rate was 6.3% (US average 1.8%).
CID 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 | 100.0% | — | 0.0% | 37 |
| Envoy Air | 75.9% | 46 min | 3.9% | 182 |
| PSA Airlines | 64.8% | 96 min | 11.2% | 143 |
| American Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CID to DCA
On-time arrival % by scheduled departure hour (local time), 814 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 29 | |
| 6am–7am | 89.5% | 1.9% | 107 |
| 10am–11am | Limited data | 22 | |
| 12pm–1pm | 80.9% | 3.5% | 516 |
| 1pm–2pm | Limited data | 4 | |
| 2pm–3pm | Limited data | 5 | |
| 3pm–4pm | 63.7% | 10.8% | 130 |
| 4pm–5pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CID 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) | Limited data | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 71.4% | -8.3 pts | 5.8% | 138 |
| All other days | 79.7% | — | 4.9% | 633 |
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).