Columbus (CMH) to Washington (DCA): On-Time Performance
Data through July 2026
The biggest risk when flying CMH to DCA isn't a late arrival — it's not departing at all. 3.2% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 73% land on time, below the national average of 78%. Envoy Air has been the safer pick, arriving on time 86% of the time.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 5.6
- last 12 months
- Duration
- 1h 23m
- scheduled
- Distance
- 323 mi
Best airline from CMH to DCA
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 86% | 8 min | 1.3% | 674 |
| Republic Airways | 72% | 18 min | 2.9% | 1,878 |
| Southwest Airlines | 71% | 21 min | 1.1% | 729 |
| PSA Airlines | 65% | 36 min | 7.0% | 928 |
Monthly on-time trend
Best time to fly from CMH to DCA
Aim for departures around 5 a.m. (90% on-time); avoid 8 p.m. departures (38%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 18 min |
| Tuesday | 76% | 16 min |
| Wednesday | 71% | 22 min |
| Thursday | 69% | 27 min |
| Friday | 69% | 22 min |
| Saturdaybest | 80% | 19 min |
| Sunday | 74% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations17%
- National airspace system40%
- Weather6%
Frequently asked questions
- How often are flights from CMH to DCA delayed?
- 27% of CMH–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from CMH to DCA?
- Envoy Air has the best on-time record on this route at 86%, based on 674 flights. 4 airlines flew CMH–DCA frequently enough to compare in this period.
- What is the best time of day to fly from CMH to DCA?
- Departures around 5 a.m. have the best record (90% on-time), while departures around 8 p.m. have the worst (38%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CMH to DCA?
- The scheduled CMH–DCA flight time averages 1h 23m over 323 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are CMH to DCA flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from CMH to DCA?
- December 2025 was the roughest month in this dataset, with only 54% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 38-point gap is worth planning around.
Explore related pages
More routes from CMH
Other ways to fly to Washington (DCA)
Related guides
Based on 4,209 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.