Chicago, IL → Las Vegas, NV flight delays
ORD → LAS · all airlines · 508 flights · April 2026 · source: US BTS
This route is delayed
35%of the time, by +74 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
65%
Delayed 3h+
1.6%
Cancelled
1.6%
Avg when late
+74m
Best & worst day to fly
Most on-time
Tuesday
delayed 24%
Worst
Thursday
delayed 49%
Which airline is most punctual on ORD → LAS?
Uniteddelayed 24%
Southwestdelayed 38%
Americandelayed 45%
Frequently asked
How often is the Chicago, IL to Las Vegas, NV flight delayed?
About 35% of ORD → LAS flights arrive late (15+ minutes), by an average of 74 minutes when they do, based on 508 flights in April 2026.
Which airline is most punctual on ORD → LAS?
United, delayed 24% of the time — the best of the 3 airlines flying this route.
What is the best day to fly ORD → LAS?
Tuesday is the most on-time (delayed 24%), while Thursday is the worst (delayed 49%).
Airport overviews