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

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

70.9% of 351 official scheduled IAH-to-JFK flights arrived on time; 16.5% arrived at least 30 minutes late and 3.7% 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
70.9%arrived on time
16.5%30+ min late
3.7%cancelled
351scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.0%all scheduled flights
120+ minutes late5.1%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+19.3 mincompleted flights

Which departure time was most reliable for IAH to JFK?

Among qualifying IAH-to-JFK departure window results, Afternoon had the highest on-time rate: 75.1% of 269 flights. Evening was lowest at 53.7% across 41 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning4161.0%29.3%2.4%
Afternoon26975.1%12.6%4.1%
Evening4153.7%29.3%2.4%

Which weekday was most reliable for IAH to JFK?

Among qualifying IAH-to-JFK weekday results, Tuesday had the highest on-time rate: 78.4% of 51 flights. Thursday was lowest at 64.0% across 50 flights.

DayFlightsOn time30+ minCancelled
Monday5174.5%15.7%5.9%
Tuesday5178.4%13.7%0.0%
Wednesday4967.3%18.4%2.0%
Thursday5064.0%24.0%2.0%
Friday5164.7%15.7%5.9%
Saturday5074.0%14.0%4.0%
Sunday4973.5%14.3%6.1%

Which airline was most reliable for IAH to JFK?

Among qualifying IAH-to-JFK airline results, Delta Air Lines had the highest on-time rate: 75.1% of 269 flights. JetBlue Airways was lowest at 57.3% across 82 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines26975.1%12.6%4.1%
JetBlue Airways8257.3%29.3%2.4%

Which month was most reliable for IAH to JFK?

Among qualifying IAH-to-JFK month results, September 2025 had the highest on-time rate: 95.7% of 23 flights. December 2025 was lowest at 54.8% across 31 flights.

MonthFlightsOn time30+ minCancelled
September 20252395.7%4.3%0.0%
October 20253167.7%25.8%3.2%
November 20252982.8%6.9%0.0%
December 20253154.8%25.8%9.7%
January 20262975.9%6.9%10.3%
February 20262875.0%7.1%10.7%
March 20263167.7%19.4%3.2%
April 20263086.7%3.3%0.0%
May 20265369.8%15.1%1.9%
June 20266657.6%30.3%1.5%

What drove IAH to JFK delay minutes?

Airline was the largest recorded IAH-to-JFK delay category, accounting for 46.6% of 9,076 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.6%
Late aircraft30.8%
National airspace22.3%
Weather0.4%
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.