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

Las Vegas, NV (LAS) to Atlanta, GA (ATL) flight delay odds

Historically, 84.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,791 flights.

HISTORICAL ROUTE SIGNALLower disruption
84.2%arrived on time
9.2%30+ min late
0.9%cancelled
4,791scheduled 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 late1.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+1.2 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 morning1,19589.8%4.9%1.0%
Late morning86686.8%6.9%0.5%
Afternoon1,12080.6%12.3%0.6%
Evening4178.0%14.6%0.0%
Night1,56981.1%11.5%1.2%

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
Monday70981.9%11.1%0.8%
Tuesday67387.5%6.8%0.0%
Wednesday64991.2%4.6%0.2%
Thursday69683.5%9.9%0.4%
Friday70080.6%11.7%1.6%
Saturday66084.2%8.5%1.8%
Sunday70481.0%11.5%1.3%

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 Lines3,32786.7%8.3%0.7%
Southwest Airlines72082.1%7.4%0.7%
Frontier Airlines56172.7%16.0%2.1%
Spirit Airlines18381.4%13.1%0.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202541675.2%13.9%1.2%
August 202540585.2%9.4%1.5%
September 202538988.4%9.0%0.0%
October 202541385.5%7.7%0.2%
November 202539084.4%11.0%0.5%
December 202542987.4%6.1%1.2%
January 202638483.9%5.5%2.9%
February 202634189.1%5.9%0.3%
March 202640777.4%12.3%2.0%
April 202642288.2%7.1%0.2%
May 202640781.8%13.5%0.2%
June 202638884.5%9.0%0.3%

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.

Airline51.3%
Late aircraft33.3%
National airspace14.5%
Weather0.6%
Security0.2%
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.