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

Dallas, TX (DAL) to Las Vegas, NV (LAS) flight delay odds

73.8% of 2,865 official scheduled DAL-to-LAS flights arrived on time; 14.9% arrived at least 30 minutes late and 1.3% 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 SIGNALGenerally reliable
73.8%arrived on time
14.9%30+ min late
1.3%cancelled
2,865scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+8.0 mincompleted flights

Which departure time was most reliable for DAL to LAS?

Among qualifying DAL-to-LAS departure window results, Early morning had the highest on-time rate: 92.3% of 665 flights. Night was lowest at 43.4% across 173 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning66592.3%4.1%0.3%
Late morning58281.8%8.6%1.7%
Afternoon84268.6%17.2%1.4%
Evening60361.5%22.9%1.3%
Night17343.4%38.7%2.3%

Which weekday was most reliable for DAL to LAS?

Among qualifying DAL-to-LAS weekday results, Wednesday had the highest on-time rate: 81.0% of 378 flights. Thursday was lowest at 70.2% across 446 flights.

DayFlightsOn time30+ minCancelled
Monday44273.8%14.3%1.6%
Tuesday38878.9%13.7%1.3%
Wednesday37881.0%10.6%0.0%
Thursday44670.2%17.0%0.2%
Friday44771.4%16.1%2.0%
Saturday31171.4%16.7%1.9%
Sunday45371.1%15.7%1.8%

Which airline was most reliable for DAL to LAS?

Only Southwest Airlines met the DAL-to-LAS airline threshold: 73.8% of 2,865 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines2,86573.8%14.9%1.3%

Which month was most reliable for DAL to LAS?

Among qualifying DAL-to-LAS month results, September 2025 had the highest on-time rate: 82.3% of 198 flights. June 2026 was lowest at 50.4% across 238 flights.

MonthFlightsOn time30+ minCancelled
July 202525573.7%15.3%1.2%
August 202520980.9%9.6%0.5%
September 202519882.3%10.6%0.0%
October 202525777.0%12.1%1.9%
November 202525776.7%14.0%2.7%
December 202525779.0%10.5%0.4%
January 202622576.0%11.6%4.4%
February 202621179.1%10.4%0.5%
March 202624781.4%10.5%0.0%
April 202625168.1%17.5%0.4%
May 202626063.8%24.2%1.2%
June 202623850.4%30.3%1.7%

What drove DAL to LAS delay minutes?

Late aircraft was the largest recorded DAL-to-LAS delay category, accounting for 52.5% of 38,098 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.1%
Late aircraft52.5%
National airspace16.9%
Weather5.6%
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.