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

Salt Lake City, UT (SLC) to Austin, TX (AUS) flight delay odds

Historically, 81.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,783 flights.

HISTORICAL ROUTE SIGNALLower disruption
81.4%arrived on time
11.2%30+ min late
0.6%cancelled
1,783scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.8%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.5 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 morning15192.7%2.6%1.3%
Late morning51283.8%9.6%0.0%
Afternoon53679.1%14.0%0.6%
Evening58478.4%12.3%1.0%

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
Monday25579.6%12.5%0.4%
Tuesday25081.2%11.2%0.0%
Wednesday26286.6%9.9%0.4%
Thursday27280.9%12.5%0.0%
Friday27882.0%9.4%0.7%
Saturday20883.7%10.1%0.5%
Sunday25876.0%12.8%2.3%

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 Lines1,08181.9%11.4%0.6%
Southwest Airlines47077.7%13.6%0.6%
SkyWest Airlines23286.6%5.6%0.9%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202516963.9%23.1%0.6%
August 202514284.5%11.3%0.0%
September 202513388.0%6.0%0.0%
October 202515379.7%10.5%0.0%
November 202513477.6%18.7%0.0%
December 202514085.7%7.9%0.0%
January 202613984.2%8.6%3.6%
February 202614185.8%9.2%0.7%
March 202617084.7%8.8%0.6%
April 202614985.9%6.7%1.3%
May 202615084.7%6.7%0.7%
June 202616375.5%15.3%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.

Airline50.8%
Late aircraft26.8%
National airspace19.3%
Weather3.0%
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.