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

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

70.3% of 980 official scheduled LGA-to-IAD flights arrived on time; 16.1% arrived at least 30 minutes late and 6.7% 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
70.3%arrived on time
16.1%30+ min late
6.7%cancelled
980scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late4.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+11.1 mincompleted flights

Which departure time was most reliable for LGA to IAD?

Among qualifying LGA-to-IAD departure window results, Early morning had the highest on-time rate: 87.2% of 288 flights. Afternoon was lowest at 55.7% across 334 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning28887.2%4.9%6.2%
Late morning12277.0%8.2%4.9%
Afternoon33455.7%29.0%5.4%
Evening23666.9%15.7%10.2%

Which weekday was most reliable for LGA to IAD?

Among qualifying LGA-to-IAD weekday results, Saturday had the highest on-time rate: 80.0% of 135 flights. Thursday was lowest at 66.4% across 137 flights.

DayFlightsOn time30+ minCancelled
Monday14367.1%16.1%9.1%
Tuesday13568.9%15.6%7.4%
Wednesday13071.5%17.7%4.6%
Thursday13766.4%21.2%8.0%
Friday15268.4%18.4%5.9%
Saturday13580.0%8.9%4.4%
Sunday14870.3%14.9%7.4%

Which airline was most reliable for LGA to IAD?

Only Republic Airways met the LGA-to-IAD airline threshold: 70.3% of 980 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways98070.3%16.1%6.7%

Which month was most reliable for LGA to IAD?

Among qualifying LGA-to-IAD month results, April 2026 had the highest on-time rate: 90.0% of 20 flights. July 2025 was lowest at 37.2% across 43 flights.

MonthFlightsOn time30+ minCancelled
July 20254337.2%27.9%18.6%
August 202510778.5%10.3%3.7%
September 202511173.9%15.3%3.6%
October 202510076.0%16.0%1.0%
November 20258763.2%16.1%14.9%
December 202510762.6%23.4%4.7%
January 20268077.5%15.0%6.2%
February 20267376.7%13.7%8.2%
March 20269659.4%14.6%14.6%
April 20262090.0%5.0%0.0%
May 20269676.0%13.5%3.1%
June 20266071.7%21.7%5.0%

What drove LGA to IAD delay minutes?

Late aircraft was the largest recorded LGA-to-IAD delay category, accounting for 49.5% of 19,034 BTS-attributed delay minutes during July 2025–June 2026.

Airline18.1%
Late aircraft49.5%
National airspace27.7%
Weather4.7%
Security0.0%
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.