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

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

73.9% of 1,052 official scheduled BNA-to-SAN flights arrived on time; 13.1% arrived at least 30 minutes late and 0.8% 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
73.9%arrived on time
13.1%30+ min late
0.8%cancelled
1,052scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+3.6 mincompleted flights

Which departure time was most reliable for BNA to SAN?

Among qualifying BNA-to-SAN departure window results, Early morning had the highest on-time rate: 88.3% of 343 flights. Evening was lowest at 64.5% across 369 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning34388.3%1.7%0.9%
Late morning8180.2%12.3%0.0%
Afternoon25566.3%17.6%0.8%
Evening36964.5%20.9%0.8%

Which weekday was most reliable for BNA to SAN?

Among qualifying BNA-to-SAN weekday results, Tuesday had the highest on-time rate: 80.8% of 146 flights. Thursday was lowest at 66.5% across 164 flights.

DayFlightsOn time30+ minCancelled
Monday16674.7%14.5%0.6%
Tuesday14680.8%8.2%0.0%
Wednesday14179.4%8.5%0.0%
Thursday16466.5%19.5%0.0%
Friday16572.1%15.2%0.6%
Saturday12277.0%9.0%1.6%
Sunday14868.2%14.9%2.7%

Which airline was most reliable for BNA to SAN?

Only Southwest Airlines met the BNA-to-SAN airline threshold: 73.9% of 1,052 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,05273.9%13.1%0.8%

Which month was most reliable for BNA to SAN?

Among qualifying BNA-to-SAN month results, September 2025 had the highest on-time rate: 84.4% of 77 flights. June 2026 was lowest at 50.0% across 98 flights.

MonthFlightsOn time30+ minCancelled
July 20258873.9%13.6%0.0%
August 20257878.2%9.0%0.0%
September 20257784.4%6.5%0.0%
October 20258871.6%10.2%0.0%
November 20258580.0%12.9%1.2%
December 20259180.2%9.9%0.0%
January 20267280.6%4.2%6.9%
February 20267176.1%11.3%1.4%
March 202610381.6%12.6%0.0%
April 202610065.0%17.0%0.0%
May 202610171.3%14.9%1.0%
June 20269850.0%29.6%0.0%

What drove BNA to SAN delay minutes?

Late aircraft was the largest recorded BNA-to-SAN delay category, accounting for 51.4% of 11,771 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.4%
Late aircraft51.4%
National airspace17.6%
Weather0.4%
Security0.3%
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.