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

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

64.5% of 4,830 official scheduled LGA-to-DCA flights arrived on time; 20.1% arrived at least 30 minutes late and 5.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALHigher disruption
64.5%arrived on time
20.1%30+ min late
5.4%cancelled
4,830scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.2%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.9 mincompleted flights

Which departure time was most reliable for LGA to DCA?

Among qualifying LGA-to-DCA departure window results, Early morning had the highest on-time rate: 79.5% of 1,260 flights. Evening was lowest at 49.1% across 1,260 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,26079.5%8.8%3.3%
Late morning89577.3%11.6%2.2%
Afternoon1,11556.9%27.3%4.9%
Evening1,26049.1%29.2%9.8%
Night30055.7%27.7%8.0%

Which weekday was most reliable for LGA to DCA?

Among qualifying LGA-to-DCA weekday results, Saturday had the highest on-time rate: 83.6% of 427 flights. Sunday was lowest at 59.2% across 647 flights.

DayFlightsOn time30+ minCancelled
Monday75461.0%18.3%8.9%
Tuesday77067.7%18.6%4.5%
Wednesday75064.0%21.5%4.7%
Thursday73661.5%22.1%4.3%
Friday74661.7%22.7%5.0%
Saturday42783.6%10.3%1.2%
Sunday64759.2%23.5%8.0%

Which airline was most reliable for LGA to DCA?

Among qualifying LGA-to-DCA airline results, Republic Airways had the highest on-time rate: 64.6% of 4,751 flights. Delta Air Lines was lowest at 60.0% across 55 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways4,75164.6%19.9%5.5%
Delta Air Lines5560.0%34.5%0.0%
American Airlines2458.3%20.8%4.2%

Which month was most reliable for LGA to DCA?

Among qualifying LGA-to-DCA month results, August 2025 had the highest on-time rate: 85.0% of 406 flights. March 2026 was lowest at 47.9% across 436 flights.

MonthFlightsOn time30+ minCancelled
July 202541966.6%14.3%13.6%
August 202540685.0%9.1%3.0%
September 202538680.6%11.7%1.0%
October 202539865.8%17.8%3.0%
November 202539355.2%28.0%4.8%
December 202534252.9%29.2%4.1%
January 202640362.3%18.1%8.4%
February 202639052.6%27.9%8.5%
March 202643647.9%29.4%10.6%
April 202642168.9%19.2%1.2%
May 202642466.5%20.0%1.9%
June 202641268.4%17.2%4.6%

What drove LGA to DCA delay minutes?

National airspace was the largest recorded LGA-to-DCA delay category, accounting for 41.3% of 89,815 BTS-attributed delay minutes during July 2025–June 2026.

Airline17.2%
Late aircraft36.9%
National airspace41.3%
Weather4.2%
Security0.4%
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.