BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
JFKDCA

New York, NY (JFK) to Washington, DC (DCA) flight delay odds

Historically, 64.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,528 flights.

HISTORICAL ROUTE SIGNALHigher disruption
64.0%arrived on time
21.7%30+ min late
5.3%cancelled
2,528scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.6%all scheduled flights
120+ minutes late4.7%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+14.7 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning54180.2%8.3%2.6%
Late morning19687.2%7.1%0.0%
Afternoon59754.4%28.0%4.9%
Evening42153.9%30.6%6.2%
Night77359.6%25.0%8.5%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday36165.9%18.6%6.4%
Tuesday36768.4%19.3%3.5%
Wednesday36360.6%22.0%5.2%
Thursday35655.3%29.8%4.5%
Friday36262.7%24.0%5.8%
Saturday35576.9%13.5%4.2%
Sunday36458.2%24.5%7.7%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways2,08266.7%18.9%5.4%
JetBlue Airways44651.6%34.5%5.2%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202521758.1%18.9%16.1%
August 202521777.9%14.3%2.3%
September 202526281.7%13.7%1.5%
October 202524971.1%16.9%2.8%
November 202526355.9%27.4%6.5%
December 202521460.7%23.4%4.7%
January 202618151.4%26.0%9.9%
February 202616848.2%33.9%8.3%
March 202618652.2%31.7%2.2%
April 202615671.2%17.9%0.0%
May 202620566.8%21.5%2.9%
June 202621064.8%19.5%7.1%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline20.5%
Late aircraft36.6%
National airspace40.7%
Weather2.2%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.