Historical on-time performance
Chicago to Tucson
1,440 miData through May 2026Source: US DOT · BTS
Flights on MDW–TUS arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 244 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9030 minCancel0.8%Flights244
Why flights run late
Delay causes
- Airline40%
- Weather2%
- Air traffic (NAS)20%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 2 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MDW → TUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 73% to 86% on time.
- Mornings86% on time · p90 20 min · 285 flights
- Middays82% on time · p90 25 min · 290 flights
- Afternoons73% on time · p90 40 min · 169 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 85% on time.
- Tuesdays85% on time · p90 25 min · 101 flights · limited
- Fridays83% on time · p90 25 min · 118 flights · limited
- Sundays82% on time · p90 25 min · 131 flights · limited
- Saturdays78% on time · p90 25 min · 170 flights · limited
- Mondays78% on time · p90 55 min · 117 flights · limited
- Thursdays77% on time · p90 25 min · 119 flights · limited
- Wednesdays74% on time · p90 30 min · 100 flights · limited
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