Historical on-time performance
Fort Myers to Chicago
1,105 miData through May 2026Source: US DOT · BTS
Flights on RSW–MDW arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,161 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9040 minCancel1.3%Flights1,161
Why flights run late
Delay causes
- Airline20%
- Weather5%
- Air traffic (NAS)16%
- Late aircraft59%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline13%
- Weather73%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 15 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 RSW → 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 — 92% on time.
- Mornings92% on time · p90 5 min · 1,139 flights
- Middays73% on time · p90 35 min · 883 flights
- Overnights68% on time · p90 70 min · 346 flights
- Afternoons68% on time · p90 50 min · 427 flights
- Evenings60% on time · p90 65 min · 690 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 79% on time.
- Thursdays79% on time · p90 35 min · 509 flights
- Wednesdays77% on time · p90 30 min · 483 flights
- Mondays76% on time · p90 35 min · 507 flights
- Tuesdays76% on time · p90 35 min · 488 flights
- Fridays75% on time · p90 40 min · 514 flights
- Saturdays74% on time · p90 40 min · 540 flights
- Sundays72% on time · p90 55 min · 444 flights
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