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

San Antonio, TX (SAT) to Baltimore, MD (BWI) flight delay odds

79.5% of 736 official scheduled SAT-to-BWI flights arrived on time; 11.1% 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
79.5%arrived on time
11.1%30+ min late
1.6%cancelled
736scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.3 mincompleted flights

Which departure time was most reliable for SAT to BWI?

Among qualifying SAT-to-BWI departure window results, Early morning had the highest on-time rate: 92.0% of 350 flights. Evening was lowest at 45.3% across 64 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35092.0%3.1%1.4%
Late morning9580.0%8.4%2.1%
Afternoon22769.6%17.2%1.3%
Evening6445.3%37.5%3.1%

Which weekday was most reliable for SAT to BWI?

Among qualifying SAT-to-BWI weekday results, Tuesday had the highest on-time rate: 84.4% of 109 flights. Sunday was lowest at 73.9% across 88 flights.

DayFlightsOn time30+ minCancelled
Monday12282.8%9.0%1.6%
Tuesday10984.4%7.3%0.0%
Wednesday10480.8%11.5%1.9%
Thursday11975.6%16.0%0.8%
Friday12276.2%12.3%2.5%
Saturday7283.3%11.1%1.4%
Sunday8873.9%10.2%3.4%

Which airline was most reliable for SAT to BWI?

Only Southwest Airlines met the SAT-to-BWI airline threshold: 79.6% of 735 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines73579.6%11.0%1.6%
Spirit Airlines10.0%100.0%0.0%

Which month was most reliable for SAT to BWI?

Among qualifying SAT-to-BWI month results, September 2025 had the highest on-time rate: 89.9% of 69 flights. March 2026 was lowest at 52.9% across 51 flights.

MonthFlightsOn time30+ minCancelled
July 20258570.6%20.0%2.4%
August 20257184.5%2.8%2.8%
September 20256989.9%4.3%0.0%
October 20257582.7%9.3%1.3%
November 20256182.0%6.6%0.0%
December 20257188.7%7.0%1.4%
January 20263987.2%2.6%5.1%
February 20263574.3%11.4%8.6%
March 20265152.9%33.3%2.0%
April 20265282.7%7.7%0.0%
May 20265284.6%9.6%0.0%
June 20267572.0%17.3%0.0%

What drove SAT to BWI delay minutes?

Late aircraft was the largest recorded SAT-to-BWI delay category, accounting for 41.5% of 7,648 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.5%
Late aircraft41.5%
National airspace27.0%
Weather3.0%
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.