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

Kansas City, MO (MCI) to Las Vegas, NV (LAS) flight delay odds

80.4% of 1,987 official scheduled MCI-to-LAS flights arrived on time; 11.2% arrived at least 30 minutes late and 0.5% 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
80.4%arrived on time
11.2%30+ min late
0.5%cancelled
1,987scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.4%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.0 mincompleted flights

Which departure time was most reliable for MCI to LAS?

Among qualifying MCI-to-LAS departure window results, Early morning had the highest on-time rate: 94.4% of 550 flights. Evening was lowest at 66.8% across 400 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning55094.4%2.4%0.4%
Late morning31388.8%5.4%0.3%
Afternoon63074.8%13.2%0.2%
Evening40066.8%21.0%1.5%
Night9467.0%27.7%0.0%

Which weekday was most reliable for MCI to LAS?

Among qualifying MCI-to-LAS weekday results, Wednesday had the highest on-time rate: 91.0% of 267 flights. Monday was lowest at 75.2% across 310 flights.

DayFlightsOn time30+ minCancelled
Monday31075.2%16.5%1.0%
Tuesday27882.4%12.2%0.0%
Wednesday26791.0%4.9%0.0%
Thursday30477.6%11.8%0.3%
Friday30776.2%15.0%0.0%
Saturday21386.9%5.2%0.5%
Sunday30877.3%10.4%1.6%

Which airline was most reliable for MCI to LAS?

Among qualifying MCI-to-LAS airline results, Spirit Airlines had the highest on-time rate: 83.2% of 273 flights. Southwest Airlines was lowest at 80.0% across 1,712 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,71280.0%11.4%0.2%
Spirit Airlines27383.2%10.3%2.2%
American Airlines2100.0%0.0%0.0%

Which month was most reliable for MCI to LAS?

Among qualifying MCI-to-LAS month results, January 2026 had the highest on-time rate: 86.7% of 166 flights. April 2026 was lowest at 71.3% across 171 flights.

MonthFlightsOn time30+ minCancelled
July 202515979.2%15.1%0.0%
August 202515983.6%8.2%0.0%
September 202515081.3%10.0%0.0%
October 202518381.4%10.9%0.5%
November 202516983.4%10.1%0.0%
December 202517380.3%11.6%0.0%
January 202616686.7%9.0%0.0%
February 202615886.1%8.2%0.6%
March 202618484.2%8.7%1.6%
April 202617171.3%15.8%1.8%
May 202615773.2%14.0%1.3%
June 202615873.4%13.3%0.0%

What drove MCI to LAS delay minutes?

Late aircraft was the largest recorded MCI-to-LAS delay category, accounting for 49.2% of 18,452 BTS-attributed delay minutes during July 2025–June 2026.

Airline17.7%
Late aircraft49.2%
National airspace26.0%
Weather4.8%
Security2.4%
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.