CMH to DCA flight delays & on-time performance
Nonstop flights from John Glenn Columbus International Airport to Ronald Reagan Washington National Airport · 323 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CMH or DCA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Columbus (CMH) to Washington (DCA) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3% were cancelled, and 10% arrived an hour or more late.
- Envoy Air was the most punctual airline here (89% on time); Southwest Airlines was the least (60%).
- Departures scheduled around 6am did best (87% on time); around 2pm did worst (46%).
- Saturday was the most reliable day to fly (77% on time) and Wednesday the least (65%).
- The largest source of delay minutes was air traffic control & airport congestion (44%).
Which airline is most on time from CMH to DCA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 89% | 0.7% | 6 min | 1.4% | 287 |
| PSA AirlinesRegional airline operating American Eagle flights. | 69% | 5.8% | 30 min | 13.0% | 433 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 68% | 3.2% | 21 min | 10.5% | 981 |
| Southwest Airlines | 60% | 1.1% | 27 min | 14.0% | 350 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am87%345 flights
- 9am84%199 flights
- 10am81%132 flights
- 11am80%44 flights
- 12pm65%303 flights
- 1pm76%95 flights
- 2pm46%190 flights
- 3pm60%159 flights
- 4pm67%126 flights
- 5pm57%173 flights
- 6pm58%171 flights
- 7pm69%101 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%5.2% cancelled
- Tuesday75%3.9% cancelled
- Wednesday65%1.7% cancelled
- Thursday65%2.0% cancelled
- Friday66%2.6% cancelled
- Saturday77%1.3% cancelled
- Sunday72%4.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion44%
- Late-arriving aircraft36%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather69%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
CMH to DCA: common questions
- How often are CMH to DCA flights on time?
- 70% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Columbus to Washington cancelled?
- 3.0% of scheduled flights were cancelled (62 of 2,051).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 10.3% of flights were an hour or more late.
- How long is taxi time at CMH?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DCA to CMH — 78% on time
More flights from Columbus
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CMH → DCA, nonstop flights by US airlines that report to the DOT. How we calculate this.