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

Houston, TX (IAH) to New York, NY (LGA) flight delay odds

70.1% of 4,053 official scheduled IAH-to-LGA flights arrived on time; 19.1% arrived at least 30 minutes late and 2.7% 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 SIGNALVariable
70.1%arrived on time
19.1%30+ min late
2.7%cancelled
4,053scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.5%all scheduled flights
120+ minutes late4.9%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+14.7 mincompleted flights

Which departure time was most reliable for IAH to LGA?

Among qualifying IAH-to-LGA departure window results, Early morning had the highest on-time rate: 85.3% of 954 flights. Evening was lowest at 61.4% across 1,118 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning95485.3%7.4%2.3%
Late morning60976.4%13.5%2.5%
Afternoon1,37263.8%24.6%2.4%
Evening1,11861.4%25.6%3.7%

Which weekday was most reliable for IAH to LGA?

Among qualifying IAH-to-LGA weekday results, Saturday had the highest on-time rate: 77.7% of 372 flights. Sunday was lowest at 61.9% across 598 flights.

DayFlightsOn time30+ minCancelled
Monday62467.0%19.6%3.7%
Tuesday63373.6%18.3%1.7%
Wednesday61072.1%16.9%2.3%
Thursday60668.5%20.5%1.8%
Friday61072.6%17.2%2.5%
Saturday37277.7%14.8%3.0%
Sunday59861.9%25.3%4.3%

Which airline was most reliable for IAH to LGA?

Among qualifying IAH-to-LGA airline results, SkyWest Airlines had the highest on-time rate: 81.2% of 32 flights. Spirit Airlines was lowest at 56.9% across 297 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines2,38269.7%20.5%1.6%
Delta Air Lines1,34273.5%15.0%3.9%
Spirit Airlines29756.9%28.3%6.1%
SkyWest Airlines3281.2%9.4%3.1%

Which month was most reliable for IAH to LGA?

Among qualifying IAH-to-LGA month results, September 2025 had the highest on-time rate: 85.4% of 369 flights. March 2026 was lowest at 48.5% across 272 flights.

MonthFlightsOn time30+ minCancelled
July 202538060.8%24.5%2.9%
August 202537671.8%18.1%0.8%
September 202536985.4%8.4%0.3%
October 202537666.8%22.3%1.9%
November 202535363.5%26.3%1.1%
December 202534862.4%22.4%4.3%
January 202628783.3%8.4%5.2%
February 202624174.7%14.5%6.2%
March 202627248.5%31.2%9.9%
April 202636477.7%15.4%1.4%
May 202634776.1%16.4%1.4%
June 202634069.1%21.2%0.9%

What drove IAH to LGA delay minutes?

National airspace was the largest recorded IAH-to-LGA delay category, accounting for 47.7% of 86,261 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.9%
Late aircraft23.1%
National airspace47.7%
Weather3.3%
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.