Historical on-time performance
Dallas-Fort Worth to Chicago
797 miData through May 2026Source: US DOT · BTS
Flights on DFW–MDW arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 96 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time69%Medianon timep9085 minCancel1.0%Flights96
Why flights run late
Delay causes
- Airline5%
- Weather4%
- Air traffic (NAS)6%
- Late aircraft86%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 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 DFW → MDW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 77% on time.
- Mornings77% on time · p90 40 min · 281 flights
- Middays69% on time · p90 85 min · 413 flights
- Afternoons65% on time · p90 80 min · 100 flights · limited
- Overnights63% on time · p90 95 min · 280 flights
- Evenings55% on time · p90 130 min · 214 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 62% to 71% on time.
- Saturdays71% on time · p90 85 min · 176 flights · limited
- Tuesdays70% on time · p90 45 min · 148 flights · limited
- Fridays70% on time · p90 60 min · 209 flights
- Thursdays66% on time · p90 90 min · 204 flights
- Wednesdays65% on time · p90 70 min · 140 flights · limited
- Sundays63% on time · p90 90 min · 206 flights
- Mondays62% on time · p90 120 min · 205 flights
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