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

Louisville, KY (SDF) to Baltimore, MD (BWI) flight delay odds

83.7% of 889 official scheduled SDF-to-BWI flights arrived on time; 8.7% arrived at least 30 minutes late and 2.2% 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
83.7%arrived on time
8.7%30+ min late
2.2%cancelled
889scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.2%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.4 mincompleted flights

Which departure time was most reliable for SDF to BWI?

Among qualifying SDF-to-BWI departure window results, Early morning had the highest on-time rate: 93.2% of 365 flights. Evening was lowest at 61.6% across 125 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36593.2%3.3%1.9%
Late morning12688.1%5.6%0.0%
Afternoon27379.1%12.1%2.9%
Evening12561.6%20.0%4.0%

Which weekday was most reliable for SDF to BWI?

Among qualifying SDF-to-BWI weekday results, Monday had the highest on-time rate: 89.7% of 136 flights. Sunday was lowest at 72.0% across 143 flights.

DayFlightsOn time30+ minCancelled
Monday13689.7%4.4%2.2%
Tuesday11088.2%6.4%0.9%
Wednesday10888.9%7.4%1.9%
Thursday13784.7%9.5%1.5%
Friday13781.0%10.2%0.7%
Saturday11883.9%11.0%1.7%
Sunday14372.0%11.2%6.3%

Which airline was most reliable for SDF to BWI?

Only Southwest Airlines met the SDF-to-BWI airline threshold: 83.7% of 889 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines88983.7%8.7%2.2%

Which month was most reliable for SDF to BWI?

Among qualifying SDF-to-BWI month results, February 2026 had the highest on-time rate: 91.1% of 56 flights. July 2025 was lowest at 67.9% across 81 flights.

MonthFlightsOn time30+ minCancelled
July 20258167.9%21.0%6.2%
August 20258085.0%11.2%1.2%
September 20257787.0%5.2%0.0%
October 20259586.3%4.2%0.0%
November 20257486.5%6.8%5.4%
December 20256684.8%6.1%1.5%
January 20266388.9%3.2%6.3%
February 20265691.1%5.4%3.6%
March 20266280.6%12.9%1.6%
April 20267483.8%9.5%0.0%
May 20268090.0%5.0%0.0%
June 20268175.3%12.3%2.5%

What drove SDF to BWI delay minutes?

Airline was the largest recorded SDF-to-BWI delay category, accounting for 40.0% of 8,962 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.0%
Late aircraft34.1%
National airspace23.9%
Weather2.0%
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.