Las Vegas, NV → Chicago, IL flight delays
LAS → ORD · all airlines · 504 flights · April 2026 · source: US BTS
This route is delayed
24%of the time, by +69 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
1.4%
Cancelled
1.6%
Avg when late
+69m
Best & worst day to fly
Most on-time
Tuesday
delayed 13%
Worst
Friday
delayed 32%
Which airline is most punctual on LAS → ORD?
Uniteddelayed 15%
Americandelayed 25%
Southwestdelayed 42%
Frequently asked
How often is the Las Vegas, NV to Chicago, IL flight delayed?
About 24% of LAS → ORD flights arrive late (15+ minutes), by an average of 69 minutes when they do, based on 504 flights in April 2026.
Which airline is most punctual on LAS → ORD?
United, delayed 15% of the time — the best of the 3 airlines flying this route.
What is the best day to fly LAS → ORD?
Tuesday is the most on-time (delayed 13%), while Friday is the worst (delayed 32%).
Airport overviews