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

Grand Rapids, MI (GRR) to Las Vegas, NV (LAS) flight delay odds

71.5% of 411 official scheduled GRR-to-LAS flights arrived on time; 17.8% arrived at least 30 minutes late and 0.0% 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
71.5%arrived on time
17.8%30+ min late
0.0%cancelled
411scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.8%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+11.0 mincompleted flights

Which departure time was most reliable for GRR to LAS?

Among qualifying GRR-to-LAS departure window results, Early morning had the highest on-time rate: 77.2% of 57 flights. Afternoon was lowest at 70.6% across 316 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5777.2%17.5%0.0%
Afternoon31670.6%17.4%0.0%

Which weekday was most reliable for GRR to LAS?

Among qualifying GRR-to-LAS weekday results, Saturday had the highest on-time rate: 76.7% of 30 flights. Friday was lowest at 63.9% across 83 flights.

DayFlightsOn time30+ minCancelled
Monday8476.2%11.9%0.0%
Thursday8073.8%16.2%0.0%
Friday8363.9%21.7%0.0%
Saturday3076.7%13.3%0.0%
Sunday8869.3%22.7%0.0%

Which airline was most reliable for GRR to LAS?

Among qualifying GRR-to-LAS airline results, Southwest Airlines had the highest on-time rate: 72.1% of 197 flights. Allegiant Air was lowest at 71.0% across 214 flights.

AirlineFlightsOn time30+ minCancelled
Allegiant Air21471.0%19.2%0.0%
Southwest Airlines19772.1%16.2%0.0%

Which month was most reliable for GRR to LAS?

Among qualifying GRR-to-LAS month results, September 2025 had the highest on-time rate: 84.2% of 38 flights. July 2025 was lowest at 53.8% across 52 flights.

MonthFlightsOn time30+ minCancelled
July 20255253.8%28.8%0.0%
August 20254175.6%22.0%0.0%
September 20253884.2%7.9%0.0%
October 20254868.8%12.5%0.0%
November 20254484.1%9.1%0.0%
December 20254757.4%31.9%0.0%
January 20262759.3%33.3%0.0%
February 20263476.5%14.7%0.0%
March 20262075.0%15.0%0.0%
April 20261782.4%11.8%0.0%
May 20261877.8%5.6%0.0%
June 20262584.0%4.0%0.0%

What drove GRR to LAS delay minutes?

Airline was the largest recorded GRR-to-LAS delay category, accounting for 45.0% of 7,596 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.0%
Late aircraft34.5%
National airspace17.6%
Weather2.7%
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.