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

Louisville, KY (SDF) to Las Vegas, NV (LAS) flight delay odds

82.8% of 400 official scheduled SDF-to-LAS flights arrived on time; 10.5% 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 SIGNALLower disruption
82.8%arrived on time
10.5%30+ min late
0.8%cancelled
400scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.5%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+3.5 mincompleted flights

Which departure time was most reliable for SDF to LAS?

Among qualifying SDF-to-LAS departure window results, Early morning had the highest on-time rate: 89.9% of 218 flights. Afternoon was lowest at 78.3% across 129 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning21889.9%5.0%0.9%
Afternoon12978.3%14.0%0.8%

Which weekday was most reliable for SDF to LAS?

Among qualifying SDF-to-LAS weekday results, Wednesday had the highest on-time rate: 92.3% of 52 flights. Sunday was lowest at 74.2% across 62 flights.

DayFlightsOn time30+ minCancelled
Monday6086.7%8.3%1.7%
Tuesday5483.3%13.0%0.0%
Wednesday5292.3%1.9%0.0%
Thursday6085.0%10.0%0.0%
Friday6080.0%15.0%0.0%
Saturday5278.8%11.5%1.9%
Sunday6274.2%12.9%1.6%

Which airline was most reliable for SDF to LAS?

Among qualifying SDF-to-LAS airline results, Southwest Airlines had the highest on-time rate: 83.8% of 365 flights. Spirit Airlines was lowest at 73.5% across 34 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines36583.8%8.8%0.8%
Spirit Airlines3473.5%26.5%0.0%
American Airlines10.0%100.0%0.0%

Which month was most reliable for SDF to LAS?

Among qualifying SDF-to-LAS month results, December 2025 had the highest on-time rate: 96.8% of 31 flights. May 2026 was lowest at 72.7% across 33 flights.

MonthFlightsOn time30+ minCancelled
July 20253278.1%12.5%0.0%
August 20253193.5%3.2%0.0%
September 20254680.4%15.2%0.0%
October 20254879.2%12.5%0.0%
November 20252996.6%0.0%0.0%
December 20253196.8%3.2%0.0%
January 20263177.4%9.7%9.7%
February 20262896.4%3.6%0.0%
March 20263174.2%16.1%0.0%
April 20263080.0%13.3%0.0%
May 20263372.7%15.2%0.0%
June 20263073.3%16.7%0.0%

What drove SDF to LAS delay minutes?

Airline was the largest recorded SDF-to-LAS delay category, accounting for 45.9% of 4,738 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.9%
Late aircraft32.9%
National airspace18.9%
Weather2.3%
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.