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

Charlotte, NC (CLT) to Houston, TX (IAH) flight delay odds

75.9% of 2,348 official scheduled CLT-to-IAH flights arrived on time; 15.1% arrived at least 30 minutes late and 2.0% 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
75.9%arrived on time
15.1%30+ min late
2.0%cancelled
2,348scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.6%all scheduled flights
120+ minutes late3.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+6.6 mincompleted flights

Which departure time was most reliable for CLT to IAH?

Among qualifying CLT-to-IAH departure window results, Early morning had the highest on-time rate: 87.4% of 739 flights. Night was lowest at 64.1% across 167 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning73987.4%6.9%1.5%
Late morning24980.7%13.3%1.2%
Afternoon67273.5%17.7%1.8%
Evening52164.3%21.9%2.3%
Night16764.1%22.8%4.8%

Which weekday was most reliable for CLT to IAH?

Among qualifying CLT-to-IAH weekday results, Tuesday had the highest on-time rate: 83.0% of 300 flights. Sunday was lowest at 70.8% across 370 flights.

DayFlightsOn time30+ minCancelled
Monday36477.5%14.3%2.5%
Tuesday30083.0%9.7%1.0%
Wednesday29280.5%12.0%0.0%
Thursday35976.9%14.2%1.4%
Friday36371.3%17.9%1.1%
Saturday30073.3%18.0%3.0%
Sunday37070.8%18.6%4.3%

Which airline was most reliable for CLT to IAH?

Among qualifying CLT-to-IAH airline results, United Airlines had the highest on-time rate: 84.3% of 394 flights. Frontier Airlines was lowest at 71.8% across 216 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,62374.7%16.4%1.6%
United Airlines39484.3%8.4%1.8%
Frontier Airlines21671.8%16.7%5.1%
SkyWest Airlines11573.0%17.4%1.7%

Which month was most reliable for CLT to IAH?

Among qualifying CLT-to-IAH month results, September 2025 had the highest on-time rate: 89.1% of 174 flights. July 2025 was lowest at 57.7% across 222 flights.

MonthFlightsOn time30+ minCancelled
July 202522257.7%29.3%2.7%
August 202518361.2%25.7%1.1%
September 202517489.1%5.7%0.6%
October 202518681.7%12.9%0.5%
November 202517483.9%9.2%0.6%
December 202516783.2%12.0%0.0%
January 202619178.5%8.4%9.9%
February 202619086.3%8.4%2.1%
March 202622779.7%12.8%3.1%
April 202621774.2%17.1%0.9%
May 202621671.8%17.1%0.0%
June 202620169.7%18.9%1.5%

What drove CLT to IAH delay minutes?

Late aircraft was the largest recorded CLT-to-IAH delay category, accounting for 42.5% of 37,952 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.5%
Late aircraft42.5%
National airspace21.1%
Weather6.6%
Security0.3%
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.