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

New York, NY (LGA) to Houston, TX (HOU) flight delay odds

Historically, 69.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,359 flights.

HISTORICAL ROUTE SIGNALVariable
69.8%arrived on time
17.6%30+ min late
2.6%cancelled
1,359scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.9%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+9.0 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 morning35786.3%7.0%2.2%
Late morning31674.4%10.8%2.8%
Afternoon44562.0%22.0%2.5%
Evening24153.9%34.0%3.3%

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
Monday20866.3%17.3%5.3%
Tuesday21274.5%12.7%2.8%
Wednesday20874.5%16.3%1.9%
Thursday20669.9%17.0%2.9%
Friday20873.6%14.4%0.5%
Saturday13162.6%26.0%0.8%
Sunday18664.0%23.1%3.8%

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 Airlines1,35969.8%17.6%2.6%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202511664.7%19.8%2.6%
August 202511077.3%16.4%0.0%
September 202510882.4%12.0%0.0%
October 202511268.8%17.0%2.7%
November 202511163.1%24.3%1.8%
December 202512062.5%23.3%0.8%
January 202611678.4%9.5%5.2%
February 202610476.9%6.7%6.7%
March 202611669.0%18.1%7.8%
April 202611572.2%19.1%0.9%
May 202611960.5%21.0%0.8%
June 202611264.3%22.3%2.7%

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.

Airline22.5%
Late aircraft48.6%
National airspace24.4%
Weather3.9%
Security0.5%
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.