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

Nashville, TN (BNA) to Salt Lake City, UT (SLC) flight delay odds

Historically, 83.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,205 flights.

HISTORICAL ROUTE SIGNALLower disruption
83.8%arrived on time
9.0%30+ min late
0.7%cancelled
1,205scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.0%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.8 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning36589.9%5.2%0.5%
Late morning6277.4%11.3%0.0%
Afternoon48680.2%12.1%0.8%
Evening28784.0%7.7%0.7%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday17778.5%13.0%0.6%
Tuesday16185.1%10.6%0.0%
Wednesday16889.9%6.0%0.0%
Thursday17482.8%9.8%0.0%
Friday17688.6%6.2%0.0%
Saturday16581.8%8.5%1.8%
Sunday18480.4%8.7%2.2%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines93386.8%6.9%0.6%
Southwest Airlines27273.5%16.2%0.7%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202511681.9%11.2%0.0%
August 202511187.4%7.2%0.0%
September 202510490.4%3.8%0.0%
October 202511279.5%12.5%0.0%
November 202510184.2%9.9%1.0%
December 202511484.2%12.3%0.0%
January 20267885.9%3.8%7.7%
February 20267885.9%9.0%0.0%
March 20269781.4%10.3%1.0%
April 20269289.1%5.4%0.0%
May 20269281.5%8.7%0.0%
June 202611076.4%10.9%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline42.2%
Late aircraft40.0%
National airspace14.6%
Weather3.2%
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.