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

San Antonio, TX (SAT) to Salt Lake City, UT (SLC) flight delay odds

85.6% of 1,008 official scheduled SAT-to-SLC flights arrived on time; 8.5% 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 SIGNALLower disruption
85.6%arrived on time
8.5%30+ min late
0.9%cancelled
1,008scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.3%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-1.5 mincompleted flights

Which departure time was most reliable for SAT to SLC?

Among qualifying SAT-to-SLC departure window results, Early morning had the highest on-time rate: 93.7% of 364 flights. Afternoon was lowest at 79.5% across 356 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36493.7%3.0%0.8%
Afternoon35679.5%11.8%0.8%
Evening28883.0%11.5%1.0%

Which weekday was most reliable for SAT to SLC?

Among qualifying SAT-to-SLC weekday results, Wednesday had the highest on-time rate: 89.3% of 149 flights. Thursday was lowest at 80.4% across 148 flights.

DayFlightsOn time30+ minCancelled
Monday15288.2%5.3%0.7%
Tuesday15485.7%10.4%0.0%
Wednesday14989.3%8.1%0.0%
Thursday14880.4%12.2%0.0%
Friday15084.7%10.7%0.7%
Saturday10884.3%5.6%2.8%
Sunday14786.4%6.8%2.7%

Which airline was most reliable for SAT to SLC?

Only Delta Air Lines met the SAT-to-SLC airline threshold: 85.6% of 1,008 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,00885.6%8.5%0.9%

Which month was most reliable for SAT to SLC?

Among qualifying SAT-to-SLC month results, March 2026 had the highest on-time rate: 92.1% of 89 flights. September 2025 was lowest at 75.3% across 77 flights.

MonthFlightsOn time30+ minCancelled
July 20258885.2%8.0%0.0%
August 20258285.4%11.0%0.0%
September 20257775.3%15.6%1.3%
October 20258485.7%9.5%0.0%
November 20257885.9%6.4%2.6%
December 20258878.4%11.4%3.4%
January 20268789.7%6.9%1.1%
February 20267885.9%9.0%0.0%
March 20268992.1%3.4%1.1%
April 20268585.9%8.2%1.2%
May 20268691.9%5.8%0.0%
June 20268684.9%8.1%0.0%

What drove SAT to SLC delay minutes?

Late aircraft was the largest recorded SAT-to-SLC delay category, accounting for 55.5% of 9,379 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.8%
Late aircraft55.5%
National airspace6.7%
Weather1.0%
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.