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

Lewiston, ID (LWS) to Salt Lake City, UT (SLC) flight delay odds

92.6% of 365 official scheduled LWS-to-SLC flights arrived on time; 5.2% 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 SIGNALLower disruption
92.6%arrived on time
5.2%30+ min late
0.0%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.3%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-1.7 mincompleted flights

Which departure time was most reliable for LWS to SLC?

Among qualifying LWS-to-SLC departure window results, Afternoon had the highest on-time rate: 92.9% of 324 flights. Evening was lowest at 90.2% across 41 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon32492.9%5.6%0.0%
Evening4190.2%2.4%0.0%

Which weekday was most reliable for LWS to SLC?

Among qualifying LWS-to-SLC weekday results, Thursday had the highest on-time rate: 98.1% of 52 flights. Wednesday was lowest at 86.5% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5296.2%1.9%0.0%
Tuesday5390.6%7.5%0.0%
Wednesday5286.5%9.6%0.0%
Thursday5298.1%0.0%0.0%
Friday5292.3%7.7%0.0%
Saturday5296.2%3.8%0.0%
Sunday5288.5%5.8%0.0%

Which airline was most reliable for LWS to SLC?

Only SkyWest Airlines met the LWS-to-SLC airline threshold: 92.6% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines36592.6%5.2%0.0%

Which month was most reliable for LWS to SLC?

Among qualifying LWS-to-SLC month results, October 2025 had the highest on-time rate: 100.0% of 31 flights. February 2026 was lowest at 85.7% across 28 flights.

MonthFlightsOn time30+ minCancelled
July 20253190.3%3.2%0.0%
August 20253187.1%6.5%0.0%
September 202530100.0%0.0%0.0%
October 202531100.0%0.0%0.0%
November 20253093.3%3.3%0.0%
December 20253187.1%12.9%0.0%
January 20263193.5%6.5%0.0%
February 20262885.7%10.7%0.0%
March 20263190.3%6.5%0.0%
April 20263096.7%3.3%0.0%
May 202631100.0%0.0%0.0%
June 20263086.7%10.0%0.0%

What drove LWS to SLC delay minutes?

Airline was the largest recorded LWS-to-SLC delay category, accounting for 86.2% of 3,299 BTS-attributed delay minutes during July 2025–June 2026.

Airline86.2%
Late aircraft0.0%
National airspace5.5%
Weather8.2%
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.