Historical on-time performance
Seattle to Charlotte
2,279 miData through Dec 2025Source: US DOT · BTS
Flights on SEA–CLT arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 1,277 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time88%Medianon timep9015 minCancel0.5%Flights1,277
Why flights run late
Delay causes
- Airline55%
- Weather1%
- Air traffic (NAS)7%
- Late aircraft37%
- 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 SEA → CLT
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 75% to 85% on time.
- Overnights85% on time · p90 20 min · 1,415 flights
- Mornings85% on time · p90 25 min · 1,433 flights
- Middays75% on time · p90 40 min · 934 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 84% on time.
- Wednesdays84% on time · p90 25 min · 524 flights
- Fridays83% on time · p90 25 min · 558 flights
- Tuesdays83% on time · p90 30 min · 494 flights
- Thursdays83% on time · p90 30 min · 558 flights
- Sundays82% on time · p90 25 min · 569 flights
- Saturdays82% on time · p90 35 min · 523 flights
- Mondays78% on time · p90 30 min · 557 flights
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