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

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

76.6% of 1,834 official scheduled BNA-to-BWI flights arrived on time; 12.7% arrived at least 30 minutes late and 2.1% 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
76.6%arrived on time
12.7%30+ min late
2.1%cancelled
1,834scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.3 mincompleted flights

Which departure time was most reliable for BNA to BWI?

Among qualifying BNA-to-BWI departure window results, Early morning had the highest on-time rate: 91.5% of 446 flights. Night was lowest at 59.0% across 83 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning44691.5%2.5%1.8%
Late morning28690.6%2.8%2.1%
Afternoon53171.9%13.7%2.4%
Evening48862.9%24.0%1.8%
Night8359.0%28.9%2.4%

Which weekday was most reliable for BNA to BWI?

Among qualifying BNA-to-BWI weekday results, Wednesday had the highest on-time rate: 83.0% of 235 flights. Sunday was lowest at 69.4% across 288 flights.

DayFlightsOn time30+ minCancelled
Monday27673.2%15.2%1.4%
Tuesday24882.7%10.1%0.4%
Wednesday23583.0%7.7%1.7%
Thursday27874.5%15.1%0.7%
Friday28277.7%13.1%3.5%
Saturday22778.0%11.0%2.2%
Sunday28869.4%15.3%4.2%

Which airline was most reliable for BNA to BWI?

Among qualifying BNA-to-BWI airline results, Southwest Airlines had the highest on-time rate: 76.6% of 1,760 flights. Spirit Airlines was lowest at 75.7% across 74 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,76076.6%12.6%2.0%
Spirit Airlines7475.7%14.9%2.7%

Which month was most reliable for BNA to BWI?

Among qualifying BNA-to-BWI month results, January 2026 had the highest on-time rate: 86.9% of 130 flights. June 2026 was lowest at 63.0% across 146 flights.

MonthFlightsOn time30+ minCancelled
July 202517268.6%19.8%3.5%
August 202517378.0%10.4%2.3%
September 202516686.7%9.0%0.6%
October 202516972.8%16.6%0.6%
November 202514383.2%11.9%0.7%
December 202513478.4%11.9%3.7%
January 202613086.9%2.3%7.7%
February 202613181.7%6.9%3.1%
March 202615071.3%10.7%2.0%
April 202615778.3%10.8%1.3%
May 202616373.0%15.3%0.0%
June 202614663.0%24.0%0.7%

What drove BNA to BWI delay minutes?

Late aircraft was the largest recorded BNA-to-BWI delay category, accounting for 55.3% of 20,163 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.9%
Late aircraft55.3%
National airspace10.2%
Weather1.7%
Security1.0%
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.