Historical on-time performance
Miami to Charleston
489 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–CHS arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 890 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time67%Medianon timep9065 minCancel1.2%Flights890
Why flights run late
Delay causes
- Airline37%
- Weather5%
- Air traffic (NAS)10%
- Late aircraft48%
- 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 MIA → CHS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 64% to 90% on time.
- Middays90% on time · p90 10 min · 51 flights · limited
- Mornings86% on time · p90 15 min · 305 flights
- Afternoons71% on time · p90 70 min · 532 flights
- Overnights67% on time · p90 60 min · 1,093 flights
- Evenings64% on time · p90 75 min · 523 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 78% on time.
- Tuesdays78% on time · p90 45 min · 352 flights
- Wednesdays75% on time · p90 50 min · 357 flights
- Saturdays71% on time · p90 45 min · 359 flights
- Mondays69% on time · p90 60 min · 359 flights
- Thursdays68% on time · p90 65 min · 354 flights
- Fridays68% on time · p90 60 min · 359 flights
- Sundays64% on time · p90 90 min · 364 flights
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