Historical on-time performance
Detroit to Charleston
667 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–CHS arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 532 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time89%Medianon timep9020 minCancel0.0%Flights169
- SkyWest AirlinesOn-time70%Medianon timep9065 minCancel1.1%Flights363
Why flights run late
Delay causes
- Airline72%
- Weather16%
- Air traffic (NAS)9%
- Late aircraft2%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DTW → 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 71% to 91% on time.
- Mornings91% on time · p90 10 min · 274 flights
- Middays86% on time · p90 15 min · 640 flights
- Overnights77% on time · p90 45 min · 243 flights
- Evenings72% on time · p90 75 min · 167 flights · limited
- Afternoons71% on time · p90 70 min · 393 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 84% on time.
- Saturdays84% on time · p90 25 min · 250 flights
- Wednesdays84% on time · p90 20 min · 226 flights
- Tuesdays82% on time · p90 25 min · 218 flights
- Sundays81% on time · p90 60 min · 252 flights
- Thursdays79% on time · p90 40 min · 248 flights
- Fridays79% on time · p90 55 min · 261 flights
- Mondays78% on time · p90 50 min · 262 flights
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