Nantucket (ACK) to Washington (DCA)
Flight time
≈ 1h 37m
Bearing
248° W
Nantucket (ACK) to Washington (DCA) is 404 miles (651 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies ACK–DCA
US DOT T-100 · filed dataIn October 2025, JetBlue Airways was the only carrier flying nonstop ACK–DCA; the Airbus A220-300 was the most common aircraft at 100% of departures; flights ran 54% full.
Departures
17
October 2025
Seats
2,380
both directions
Passengers
1,289
both directions
Load factor
54.2%
passengers ÷ seats
Who flies ACK–DCA?
JetBlue Airways was the only carrier to fly nonstop ACK–DCA in October 2025 (17 departures).
- B6
JetBlue Airways
17 departures · 2,380 seats
Share of departures100.0%54.2%
Load
What plane flies ACK–DCA?
In October 2025, the Airbus A220-300 flew 100% of ACK–DCA departures.
- Airbus A220-300
17 departures · 54.2% load
100.0%
How has ACK–DCA traffic changed?
Nonstop ACK–DCA departures fell from 83 in June 2025 to 17 in October 2025.
Monthly nonstop ACK–DCA traffic, trailing 12 months through October 2025. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
83 departures · 5,091 passengers
71.5%
Load
July 2025
171 departures · 11,049 passengers
77.0%
Load
August 2025
194 departures · 12,700 passengers
78.4%
Load
September 2025
68 departures · 5,243 passengers
59.5%
Load
October 2025
17 departures · 1,289 passengers
54.2%
Load
By direction
The DOT files each direction separately — they rarely match.
DCA → ACK
51.0% full
9 departures · 643 passengers
ACK → DCA
57.7% full
8 departures · 646 passengers
Nonstop ACK–DCA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through October 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Nantucket (ACK) from Washington (DCA)?
ACK to DCA is 404 miles (651 km / 351 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ACK to DCA?
A nonstop covers the 404-mile great-circle distance in roughly 1h 37m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ACK–DCA?
In October 2025, the Airbus A220-300 flew the largest share of departures (100.0%).
What mileage do I earn flying ACK–DCA?
Distance-based programs credit off the 404-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.