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

Houston, TX (HOU) to Baltimore, MD (BWI) flight delay odds

74.1% of 1,457 official scheduled HOU-to-BWI flights arrived on time; 14.6% arrived at least 30 minutes late and 1.6% 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
74.1%arrived on time
14.6%30+ min late
1.6%cancelled
1,457scheduled 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 late1.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+7.9 mincompleted flights

Which departure time was most reliable for HOU to BWI?

Among qualifying HOU-to-BWI departure window results, Early morning had the highest on-time rate: 91.3% of 446 flights. Evening was lowest at 58.1% across 442 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning44691.3%3.6%1.3%
Late morning26982.2%8.6%1.5%
Afternoon26866.4%20.1%1.9%
Evening44258.1%24.2%1.8%

Which weekday was most reliable for HOU to BWI?

Among qualifying HOU-to-BWI weekday results, Tuesday had the highest on-time rate: 79.2% of 207 flights. Monday was lowest at 69.4% across 206 flights.

DayFlightsOn time30+ minCancelled
Monday20669.4%17.0%2.4%
Tuesday20779.2%11.6%1.0%
Wednesday20277.7%11.4%1.0%
Thursday20274.8%12.4%0.5%
Friday20671.8%17.5%1.9%
Saturday20775.8%15.0%1.4%
Sunday22770.5%17.2%3.1%

Which airline was most reliable for HOU to BWI?

Only Southwest Airlines met the HOU-to-BWI airline threshold: 74.1% of 1,457 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,45774.1%14.6%1.6%

Which month was most reliable for HOU to BWI?

Among qualifying HOU-to-BWI month results, January 2026 had the highest on-time rate: 86.4% of 103 flights. March 2026 was lowest at 55.7% across 122 flights.

MonthFlightsOn time30+ minCancelled
July 202512866.4%17.2%5.5%
August 202512877.3%15.6%0.8%
September 202512482.3%8.9%0.0%
October 202513070.8%16.2%0.0%
November 202512979.1%14.0%0.8%
December 202513177.1%13.0%1.5%
January 202610386.4%3.9%5.8%
February 20269879.6%9.2%3.1%
March 202612255.7%26.2%1.6%
April 202612075.0%15.0%0.0%
May 202612477.4%13.7%0.0%
June 202612065.0%20.0%1.7%

What drove HOU to BWI delay minutes?

Late aircraft was the largest recorded HOU-to-BWI delay category, accounting for 43.1% of 16,787 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.2%
Late aircraft43.1%
National airspace16.3%
Weather3.6%
Security0.9%
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.