Historical on-time performance
St. Thomas to Charlotte
1,520 miData through May 2026Source: US DOT · BTS
Flights on STT–CLT arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled2.1%of scheduled flights
based on 571 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time85%Medianon timep9020 minCancel2.1%Flights571
Why flights run late
Delay causes
- Airline36%
- Weather8%
- Air traffic (NAS)9%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline8%
- Weather75%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 STT → CLT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 82% on time.
- Middays82% on time · p90 30 min · 755 flights
- Afternoons76% on time · p90 40 min · 946 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Thursdays83% on time · p90 30 min · 242 flights
- Tuesdays83% on time · p90 30 min · 227 flights
- Fridays81% on time · p90 35 min · 248 flights
- Mondays80% on time · p90 45 min · 252 flights
- Saturdays76% on time · p90 40 min · 284 flights
- Wednesdays76% on time · p90 35 min · 229 flights
- Sundays74% on time · p90 50 min · 252 flights
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