MIA to DCA flight delays & on-time performance
Nonstop flights from Miami International Airport to Ronald Reagan Washington National Airport · 919 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or DCA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to Washington (DCA) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.8% were cancelled, and 9% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (77% on time); American Airlines was the least (75%).
- Departures scheduled around 8am did best (90% on time); around 6pm did worst (60%).
- Tuesday was the most reliable day to fly (81% on time) and Friday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from MIA 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. | 100% | 0.0% | 0 min | 0.0% | 1 |
| Delta Air Lines | 77% | 1.1% | 19 min | 10.6% | 363 |
| American Airlines | 75% | 1.9% | 18 min | 8.9% | 3,548 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 68% | 0.0% | 27 min | 20.5% | 44 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am90%355 flights
- 7am93%98 flights
- 8am90%254 flights
- 9am83%247 flights
- 10am85%132 flights
- 11am77%594 flights
- 12pm89%105 flights
- 1pm69%86 flights
- 2pm69%266 flights
- 3pm61%149 flights
- 4pm69%234 flights
- 5pm66%286 flights
- 6pm60%318 flights
- 7pm56%112 flights
- 8pm71%341 flights
- 9pm78%289 flights
- 10pm69%89 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%2.8% cancelled
- Tuesday81%2.3% cancelled
- Wednesday78%0.9% cancelled
- Thursday76%0.2% cancelled
- Friday70%0.5% cancelled
- Saturday76%2.4% cancelled
- Sunday73%3.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion20%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Air traffic control & airport congestion8%
- Airline (crew, maintenance, cleaning, fueling)7%
- Security0%
MIA to DCA: common questions
- How often are MIA to DCA flights on time?
- 75% 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 Miami to Washington cancelled?
- 1.8% of scheduled flights were cancelled (71 of 3,956).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 9.1% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DCA to MIA — 77% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → DCA, nonstop flights by US airlines that report to the DOT. How we calculate this.