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

San Diego, CA (SAN) to Nashville, TN (BNA) flight delay odds

74.2% of 1,065 official scheduled SAN-to-BNA flights arrived on time; 13.6% arrived at least 30 minutes late and 0.9% 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
74.2%arrived on time
13.6%30+ min late
0.9%cancelled
1,065scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+6.1 mincompleted flights

Which departure time was most reliable for SAN to BNA?

Among qualifying SAN-to-BNA departure window results, Night had the highest on-time rate: 92.4% of 118 flights. Afternoon was lowest at 55.1% across 265 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35688.2%4.2%0.8%
Late morning15572.9%15.5%1.3%
Afternoon26555.1%23.0%0.0%
Evening17163.2%26.3%0.6%
Night11892.4%0.0%3.4%

Which weekday was most reliable for SAN to BNA?

Among qualifying SAN-to-BNA weekday results, Saturday had the highest on-time rate: 84.6% of 123 flights. Friday was lowest at 63.9% across 169 flights.

DayFlightsOn time30+ minCancelled
Monday17071.8%15.9%1.2%
Tuesday14680.1%8.9%0.0%
Wednesday14181.6%5.7%0.7%
Thursday16869.0%20.2%0.0%
Friday16963.9%21.9%0.6%
Saturday12384.6%7.3%0.8%
Sunday14873.0%11.5%3.4%

Which airline was most reliable for SAN to BNA?

Only Southwest Airlines met the SAN-to-BNA airline threshold: 74.2% of 1,065 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,06574.2%13.6%0.9%

Which month was most reliable for SAN to BNA?

Among qualifying SAN-to-BNA month results, September 2025 had the highest on-time rate: 87.0% of 77 flights. May 2026 was lowest at 60.4% across 101 flights.

MonthFlightsOn time30+ minCancelled
July 20258864.8%25.0%0.0%
August 20257986.1%6.3%0.0%
September 20257787.0%6.5%0.0%
October 20258877.3%14.8%0.0%
November 20258582.4%10.6%1.2%
December 20259175.8%14.3%1.1%
January 20267276.4%8.3%4.2%
February 20267183.1%5.6%0.0%
March 202610368.0%8.7%1.0%
April 202610079.0%11.0%1.0%
May 202610160.4%22.8%1.0%
June 202611060.9%22.7%1.8%

What drove SAN to BNA delay minutes?

Late aircraft was the largest recorded SAN-to-BNA delay category, accounting for 54.0% of 12,176 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.8%
Late aircraft54.0%
National airspace14.3%
Weather0.8%
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.