Historical on-time performance
Myrtle Beach to Chicago
738 miData through May 2026Source: US DOT · BTS
Flights on MYR–MDW arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 214 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time83%Medianon timep9050 minCancel0.0%Flights214
Why flights run late
Delay causes
- Airline22%
- Weather4%
- Air traffic (NAS)5%
- Late aircraft69%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline34%
- Weather59%
- Air traffic (NAS)7%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 29 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 MYR → 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 — 93% on time.
- Mornings93% on time · p90 5 min · 496 flights
- Middays87% on time · p90 15 min · 249 flights
- Afternoons79% on time · p90 35 min · 263 flights
- Evenings70% on time · p90 50 min · 195 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 89% on time.
- Tuesdays89% on time · p90 15 min · 166 flights · limited
- Thursdays87% on time · p90 15 min · 166 flights · limited
- Mondays86% on time · p90 25 min · 166 flights · limited
- Saturdays85% on time · p90 25 min · 194 flights · limited
- Fridays85% on time · p90 15 min · 166 flights · limited
- Wednesdays85% on time · p90 20 min · 166 flights · limited
- Sundays77% on time · p90 40 min · 212 flights
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