Historical on-time performance
Myrtle Beach to Chicago
738 miData through Dec 2025Source: US DOT · BTS
Flights on MYR–MDW arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 330 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time84%Medianon timep9040 minCancel0.3%Flights330
Why flights run late
Delay causes
- Airline26%
- Weather6%
- Air traffic (NAS)4%
- Late aircraft63%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 506 flights
- Middays87% on time · p90 15 min · 343 flights
- Afternoons77% on time · p90 35 min · 238 flights
- Evenings70% on time · p90 50 min · 188 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 88% on time.
- Thursdays88% on time · p90 15 min · 178 flights · limited
- Tuesdays88% on time · p90 20 min · 179 flights · limited
- Mondays86% on time · p90 20 min · 179 flights · limited
- Wednesdays85% on time · p90 20 min · 179 flights · limited
- Saturdays85% on time · p90 30 min · 198 flights · limited
- Fridays84% on time · p90 15 min · 178 flights · limited
- Sundays79% on time · p90 35 min · 217 flights
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