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

Houston, TX (HOU) to Las Vegas, NV (LAS) flight delay odds

Historically, 80.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,045 flights.

HISTORICAL ROUTE SIGNALLower disruption
80.3%arrived on time
11.7%30+ min late
0.3%cancelled
2,045scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.1%all scheduled flights
120+ minutes late1.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+2.7 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
Early morning65594.8%2.9%0.2%
Late morning19685.2%8.2%0.0%
Afternoon43976.3%14.4%0.2%
Evening55771.5%16.3%0.7%
Night19861.6%25.8%0.5%

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
Monday31882.4%11.9%0.0%
Tuesday26882.8%9.7%0.4%
Wednesday26184.3%7.7%0.8%
Thursday31979.9%11.0%0.0%
Friday32175.1%16.8%0.6%
Saturday24181.7%12.0%0.4%
Sunday31777.6%12.0%0.3%

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
Southwest Airlines2,04580.3%11.7%0.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202518982.0%12.2%0.0%
August 202516287.0%5.6%0.0%
September 202515583.2%8.4%0.0%
October 202519268.8%18.2%0.0%
November 202518382.0%9.8%3.8%
December 202518390.2%7.7%0.0%
January 202616590.3%4.2%0.0%
February 202616284.0%5.6%0.0%
March 202617479.9%13.8%0.0%
April 202616475.0%17.7%0.0%
May 202616167.1%21.7%0.0%
June 202615574.8%15.5%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.

Airline31.6%
Late aircraft46.0%
National airspace18.4%
Weather3.6%
Security0.4%
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.