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

Newark, NJ (EWR) to Houston, TX (IAH) flight delay odds

77.8% of 3,798 official scheduled EWR-to-IAH flights arrived on time; 13.6% arrived at least 30 minutes late and 2.1% 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 SIGNALGenerally reliable
77.8%arrived on time
13.6%30+ min late
2.1%cancelled
3,798scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.2%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+2.8 mincompleted flights

Which departure time was most reliable for EWR to IAH?

Among qualifying EWR-to-IAH departure window results, Early morning had the highest on-time rate: 89.0% of 986 flights. Evening was lowest at 70.7% across 1,159 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning98689.0%4.6%1.2%
Late morning44476.4%15.3%2.0%
Afternoon1,17076.2%14.6%2.1%
Evening1,15970.7%19.2%2.8%

Which weekday was most reliable for EWR to IAH?

Among qualifying EWR-to-IAH weekday results, Tuesday had the highest on-time rate: 80.9% of 545 flights. Sunday was lowest at 73.8% across 549 flights.

DayFlightsOn time30+ minCancelled
Monday55080.2%10.2%3.6%
Tuesday54580.9%11.4%2.8%
Wednesday51877.6%13.7%1.5%
Thursday54777.0%15.4%1.1%
Friday54978.5%13.3%0.5%
Saturday54076.3%15.2%0.7%
Sunday54973.8%15.8%4.2%

Which airline was most reliable for EWR to IAH?

Among qualifying EWR-to-IAH airline results, United Airlines had the highest on-time rate: 78.9% of 3,534 flights. Spirit Airlines was lowest at 62.1% across 264 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,53478.9%12.8%1.6%
Spirit Airlines26462.1%24.2%8.0%

Which month was most reliable for EWR to IAH?

Among qualifying EWR-to-IAH month results, September 2025 had the highest on-time rate: 87.5% of 327 flights. July 2025 was lowest at 63.5% across 342 flights.

MonthFlightsOn time30+ minCancelled
July 202534263.5%25.1%5.8%
August 202533877.2%15.4%0.3%
September 202532787.5%9.2%0.0%
October 202533672.9%17.6%0.3%
November 202532379.9%12.1%1.9%
December 202533376.9%14.1%0.9%
January 202632177.9%9.7%4.7%
February 202628277.3%10.3%6.0%
March 202631077.4%15.5%2.9%
April 202629784.5%10.1%1.0%
May 202628979.9%9.3%1.4%
June 202630080.0%12.3%0.0%

What drove EWR to IAH delay minutes?

Late aircraft was the largest recorded EWR-to-IAH delay category, accounting for 38.6% of 56,996 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.3%
Late aircraft38.6%
National airspace29.1%
Weather4.0%
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.