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

Baltimore, MD (BWI) to Nashville, TN (BNA) flight delay odds

78.8% of 1,836 official scheduled BWI-to-BNA flights arrived on time; 11.8% arrived at least 30 minutes late and 1.8% 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
78.8%arrived on time
11.8%30+ min late
1.8%cancelled
1,836scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.6%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+3.6 mincompleted flights

Which departure time was most reliable for BWI to BNA?

Among qualifying BWI-to-BNA departure window results, Early morning had the highest on-time rate: 92.1% of 404 flights. Night was lowest at 67.3% across 110 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning40492.1%3.0%2.2%
Late morning34787.3%6.6%0.9%
Afternoon48772.1%15.4%1.0%
Evening48871.1%16.6%2.5%
Night11067.3%22.7%3.6%

Which weekday was most reliable for BWI to BNA?

Among qualifying BWI-to-BNA weekday results, Saturday had the highest on-time rate: 81.1% of 228 flights. Sunday was lowest at 74.8% across 290 flights.

DayFlightsOn time30+ minCancelled
Monday27679.3%8.0%2.9%
Tuesday24781.0%13.8%0.0%
Wednesday23978.7%13.4%1.3%
Thursday27779.1%10.5%0.7%
Friday27978.5%13.3%1.1%
Saturday22881.1%10.1%2.2%
Sunday29074.8%13.4%4.1%

Which airline was most reliable for BWI to BNA?

Among qualifying BWI-to-BNA airline results, Spirit Airlines had the highest on-time rate: 80.0% of 75 flights. Southwest Airlines was lowest at 78.8% across 1,761 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,76178.8%11.8%1.8%
Spirit Airlines7580.0%10.7%2.7%

Which month was most reliable for BWI to BNA?

Among qualifying BWI-to-BNA month results, September 2025 had the highest on-time rate: 89.2% of 167 flights. June 2026 was lowest at 69.4% across 147 flights.

MonthFlightsOn time30+ minCancelled
July 202517369.9%19.7%3.5%
August 202517380.3%9.8%2.3%
September 202516789.2%5.4%0.0%
October 202516979.3%10.7%0.6%
November 202514379.7%14.7%0.0%
December 202513177.1%13.7%0.8%
January 202613081.5%6.9%8.5%
February 202613287.9%4.5%4.5%
March 202615178.1%12.6%2.0%
April 202615680.1%12.2%0.0%
May 202616474.4%14.0%0.0%
June 202614769.4%15.6%0.7%

What drove BWI to BNA delay minutes?

Late aircraft was the largest recorded BWI-to-BNA delay category, accounting for 38.4% of 20,149 BTS-attributed delay minutes during July 2025–June 2026.

Airline35.7%
Late aircraft38.4%
National airspace21.7%
Weather2.7%
Security1.5%
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.