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

Nashville, TN (BNA) to San Antonio, TX (SAT) flight delay odds

78.6% of 950 official scheduled BNA-to-SAT flights arrived on time; 11.7% arrived at least 30 minutes late and 0.6% 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
78.6%arrived on time
11.7%30+ min late
0.6%cancelled
950scheduled 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
Diverted0.0%did not reach as scheduled
Average arrival+2.2 mincompleted flights

Which departure time was most reliable for BNA to SAT?

Among qualifying BNA-to-SAT departure window results, Early morning had the highest on-time rate: 93.7% of 364 flights. Night was lowest at 66.8% across 232 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36493.7%2.2%0.5%
Afternoon19066.8%18.4%0.0%
Evening16375.5%13.5%1.2%
Night23266.8%19.8%0.9%

Which weekday was most reliable for BNA to SAT?

Among qualifying BNA-to-SAT weekday results, Wednesday had the highest on-time rate: 88.0% of 125 flights. Sunday was lowest at 69.2% across 143 flights.

DayFlightsOn time30+ minCancelled
Monday14575.9%14.5%0.0%
Tuesday13085.4%8.5%0.0%
Wednesday12588.0%7.2%0.8%
Thursday15075.3%8.7%0.0%
Friday14877.0%12.2%0.0%
Saturday10982.6%9.2%1.8%
Sunday14369.2%20.3%2.1%

Which airline was most reliable for BNA to SAT?

Only Southwest Airlines met the BNA-to-SAT airline threshold: 79.1% of 938 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines93879.1%11.1%0.6%
Spirit Airlines1241.7%58.3%0.0%

Which month was most reliable for BNA to SAT?

Among qualifying BNA-to-SAT month results, March 2026 had the highest on-time rate: 95.1% of 82 flights. June 2026 was lowest at 59.3% across 86 flights.

MonthFlightsOn time30+ minCancelled
July 20258766.7%25.3%0.0%
August 20257979.7%11.4%1.3%
September 20257383.6%8.2%0.0%
October 20258782.8%8.0%0.0%
November 20257783.1%9.1%1.3%
December 20257776.6%13.0%0.0%
January 20266678.8%10.6%4.5%
February 20266388.9%1.6%0.0%
March 20268295.1%0.0%1.2%
April 20268585.9%3.5%0.0%
May 20268868.2%19.3%0.0%
June 20268659.3%25.6%0.0%

What drove BNA to SAT delay minutes?

Late aircraft was the largest recorded BNA-to-SAT delay category, accounting for 59.0% of 10,490 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.8%
Late aircraft59.0%
National airspace11.7%
Weather2.0%
Security0.4%
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.