DCA to MIA flight delays & on-time performance
Nonstop flights from Ronald Reagan Washington National Airport to Miami International Airport · 919 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DCA or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Washington (DCA) to Miami (MIA) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.9% were cancelled, and 9% arrived an hour or more late.
- American Airlines was the most punctual airline here (78% on time); Delta Air Lines was the least (68%).
- Departures scheduled around 6am did best (93% on time); around 6pm did worst (54%).
- Tuesday was the most reliable day to fly (83% on time) and Sunday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from DCA to MIA?
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 |
| American Airlines | 78% | 1.9% | 18 min | 8.3% | 3,547 |
| Delta Air Lines | 68% | 1.7% | 25 min | 12.5% | 363 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 55% | 0.0% | 38 min | 27.3% | 44 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%493 flights
- 6am93%373 flights
- 7am91%144 flights
- 8am82%357 flights
- 9am86%188 flights
- 10am83%100 flights
- 11am75%334 flights
- 1pm67%209 flights
- 2pm70%521 flights
- 3pm67%152 flights
- 4pm68%127 flights
- 5pm66%372 flights
- 6pm54%136 flights
- 7pm63%234 flights
- 8pm67%215 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%3.5% cancelled
- Tuesday83%2.8% cancelled
- Wednesday78%1.6% cancelled
- Thursday78%0.2% cancelled
- Friday75%0.7% cancelled
- Saturday77%0.6% cancelled
- Sunday69%3.8% 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 aircraft49%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion21%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather80%
- Air traffic control & airport congestion11%
- Airline (crew, maintenance, cleaning, fueling)9%
- Security0%
DCA to MIA: common questions
- How often are DCA to MIA flights on time?
- 77% 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 Washington to Miami cancelled?
- 1.9% of scheduled flights were cancelled (75 of 3,955).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 76 min behind schedule on average, and 8.9% of flights were an hour or more late.
- How long is taxi time at DCA?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to DCA — 75% on time
More flights from Washington
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DCA → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.