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

Houston, TX (IAH) to Shreveport, LA (SHV) flight delay odds

Historically, 73.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,206 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
73.6%arrived on time
17.2%30+ min late
1.3%cancelled
1,206scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.3%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+14.3 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Late morning11773.5%20.5%0.0%
Afternoon46572.7%17.0%1.7%
Evening52673.6%17.7%1.5%
Night9878.6%11.2%0.0%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday17775.1%13.0%1.7%
Tuesday17182.5%13.5%0.0%
Wednesday17071.8%18.2%1.2%
Thursday17577.1%15.4%0.0%
Friday17671.0%18.2%1.7%
Saturday16170.8%18.6%2.5%
Sunday17667.0%23.3%2.3%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,20673.6%17.2%1.3%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202515068.7%21.3%2.7%
August 202513974.1%17.3%0.0%
September 202511984.9%6.7%0.0%
October 202512174.4%18.2%0.0%
November 202510885.2%11.1%0.0%
December 20259065.6%22.2%0.0%
January 20266770.1%13.4%11.9%
February 20265778.9%12.3%0.0%
March 20266274.2%19.4%4.8%
April 20266075.0%20.0%1.7%
May 20269270.7%13.0%0.0%
June 202614165.2%26.2%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline45.9%
Late aircraft30.3%
National airspace15.4%
Weather8.4%
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.