Historical on-time performance
Charlotte to St. Thomas
1,520 miData through Dec 2025Source: US DOT · BTS
Flights on CLT–STT arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 557 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time82%Medianon timep9025 minCancel0.7%Flights557
Why flights run late
Delay causes
- Airline45%
- Weather1%
- Air traffic (NAS)21%
- Late aircraft33%
- Security1%
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 CLT → STT
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 — 84% on time.
- Mornings84% on time · p90 25 min · 896 flights
- Middays79% on time · p90 30 min · 783 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Tuesdays86% on time · p90 20 min · 221 flights
- Thursdays84% on time · p90 20 min · 232 flights
- Fridays82% on time · p90 20 min · 238 flights
- Mondays82% on time · p90 25 min · 247 flights
- Sundays82% on time · p90 25 min · 245 flights
- Wednesdays81% on time · p90 35 min · 223 flights
- Saturdays77% on time · p90 35 min · 273 flights
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