Historical on-time performance
Las Vegas to Chicago
1,521 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–MDW arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
Median delayon timetypical arrival
p90 delay30 min1 in 10 flights is worsetail risk
Cancelled0.6%of scheduled flights
based on 2,516 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesbestOn-time80%Medianon timep9030 minCancel0.6%Flights2,516
Why flights run late
Delay causes
- Airline38%
- Weather1%
- Air traffic (NAS)9%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
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