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

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

Historically, 63.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,833 flights.

HISTORICAL ROUTE SIGNALHigher disruption
63.6%arrived on time
21.6%30+ min late
5.9%cancelled
4,833scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.0%all scheduled flights
120+ minutes late5.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+17.5 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 morning1,18381.0%9.6%2.5%
Late morning80679.2%11.3%2.6%
Afternoon1,04857.9%26.4%4.5%
Evening1,49445.9%33.5%10.2%
Night30260.9%20.5%10.9%

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
Monday75463.0%18.2%9.9%
Tuesday77167.4%19.8%4.4%
Wednesday74861.1%23.8%5.5%
Thursday73958.5%25.6%4.6%
Friday74664.1%23.6%4.4%
Saturday42880.4%12.1%1.6%
Sunday64756.6%24.6%9.1%

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 Airways4,75563.3%21.7%5.9%
Delta Air Lines5490.7%7.4%0.0%
American Airlines2450.0%33.3%4.2%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202541961.1%14.8%15.3%
August 202540680.8%11.3%1.7%
September 202538576.6%13.2%1.8%
October 202539863.8%25.4%4.0%
November 202539454.3%31.5%4.8%
December 202534255.0%30.1%3.2%
January 202640471.0%13.6%9.2%
February 202639054.6%26.4%8.7%
March 202643647.2%30.7%11.0%
April 202642264.2%22.7%1.4%
May 202642565.9%21.9%2.4%
June 202641268.0%18.4%5.8%

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.

Airline16.7%
Late aircraft31.2%
National airspace47.4%
Weather4.6%
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.