GEG to LAS flight delays
Spokane, WA (GEG) Las Vegas, NV (LAS) · 806 miles
855 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics
83.33%
Arrived on time
Within 15 minutes of schedule
0.23%
Cancelled
Share of scheduled flights
56 min
When late, late by
Average across delayed arrivals
10 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Which airline you fly changes the odds here. Southwest Airlines arrived on time 25.9 points more often than Allegiant Air over the same period on the same route — same airports, same weather, same air traffic control. A gap that survives all of that is about how the two airlines are run.
The two directions do not behave alike. LAS to GEG arrives on time 7.2 points less often than the outbound. Delay accumulates through the flying day, so whichever direction is scheduled later tends to carry the worse record — which is an argument for booking the morning departure if the choice exists.
Flights from Spokane to Las Vegas keep to schedule more reliably than most. On a route this punctual the day you fly matters more than the airline you pick.
Which airline should you fly on this route?
Over January 2025 – August 2026, Southwest Airlines arrived on time most often on GEG to LAS. Allegiant Air was late most often. Flights ran closest to schedule in November and worst in October.
Every airline on GEG to LAS
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 750 | 86.5% | 0.13% | 47 min | A |
| Allegiant Air | 105 | 60.58% | 0.95% | 77 min | F |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
LAS to GEG Las Vegas back to Spokane 76.12% on time COther routes from Spokane
Common questions
Are flights from Spokane to Las Vegas usually delayed?
83.33% of flights on the GEG to LAS route arrived within 15 minutes of schedule, so roughly 2 in every ten arrived late. That is better than the average route in this record.
Which airline is most on time from Spokane to Las Vegas?
Southwest Airlines, at 86.5% on time across 750 flights. The least punctual on the route was Allegiant Air at 60.58%.
How often are GEG to LAS flights cancelled?
0.23% of scheduled flights did not operate — about 2 in every thousand. That is in the normal range.
What is the best month to fly Spokane to Las Vegas?
November, when 90.3% of flights arrived on time. The worst was October at 74.7%.
When GEG to LAS flights are late, how late are they?
About 56 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on GEG to LAS during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →