ACK → DCA: cancellations & delays
Over Jan 2023 - Apr 2026, 4.6% of Nantucket Memorial Airport (ACK) to Ronald Reagan Washington National Airport (DCA) flights were cancelled and 25.5% arrived at least 15 minutes late, across 864 flights, flown by YX, B6, MQ. Cancellations peak in July.
Check today's live ACK departures →Airport pages: Nantucket Memorial Airport (ACK) · Ronald Reagan Washington National Airport (DCA)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.