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

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

72.9% of 3,800 official scheduled IAH-to-EWR flights arrived on time; 17.1% arrived at least 30 minutes late and 1.9% 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
72.9%arrived on time
17.1%30+ min late
1.9%cancelled
3,800scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.7%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+10.5 mincompleted flights

Which departure time was most reliable for IAH to EWR?

Among qualifying IAH-to-EWR departure window results, Early morning had the highest on-time rate: 86.2% of 926 flights. Afternoon was lowest at 64.9% across 1,369 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning92686.2%7.6%2.5%
Late morning77775.0%13.3%1.3%
Afternoon1,36964.9%23.6%1.5%
Evening72869.0%20.9%2.5%

Which weekday was most reliable for IAH to EWR?

Among qualifying IAH-to-EWR weekday results, Tuesday had the highest on-time rate: 81.2% of 544 flights. Sunday was lowest at 66.5% across 550 flights.

DayFlightsOn time30+ minCancelled
Monday54973.8%15.7%3.8%
Tuesday54481.2%10.3%0.9%
Wednesday52275.9%15.7%0.6%
Thursday54469.3%19.9%2.0%
Friday54971.9%17.7%0.4%
Saturday54272.0%19.9%0.7%
Sunday55066.5%20.2%4.7%

Which airline was most reliable for IAH to EWR?

Among qualifying IAH-to-EWR airline results, United Airlines had the highest on-time rate: 73.1% of 3,534 flights. Spirit Airlines was lowest at 70.7% across 266 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,53473.1%16.9%1.6%
Spirit Airlines26670.7%18.8%6.4%

Which month was most reliable for IAH to EWR?

Among qualifying IAH-to-EWR month results, September 2025 had the highest on-time rate: 81.9% of 326 flights. July 2025 was lowest at 59.5% across 341 flights.

MonthFlightsOn time30+ minCancelled
July 202534159.5%25.8%5.0%
August 202533868.6%23.4%0.3%
September 202532681.9%12.0%0.0%
October 202533668.8%21.4%0.6%
November 202532669.3%21.5%0.9%
December 202533472.5%15.0%0.3%
January 202632181.6%9.3%4.0%
February 202628174.4%14.2%6.8%
March 202631268.9%15.1%3.2%
April 202629781.8%11.4%1.0%
May 202628880.9%12.8%1.0%
June 202630069.3%20.7%0.0%

What drove IAH to EWR delay minutes?

National airspace was the largest recorded IAH-to-EWR delay category, accounting for 46.7% of 67,307 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.6%
Late aircraft22.5%
National airspace46.7%
Weather7.0%
Security0.2%
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.