Historical on-time performance
Seattle to Charlotte
2,279 miData through May 2026Source: US DOT · BTS
Flights on SEA–CLT arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,298 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time87%Medianon timep9015 minCancel1.5%Flights1,298
Why flights run late
Delay causes
- Airline59%
- Weather1%
- Air traffic (NAS)5%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline21%
- Weather79%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 19 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 SEA → CLT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 77% to 86% on time.
- Mornings86% on time · p90 20 min · 1,446 flights
- Overnights84% on time · p90 20 min · 1,415 flights
- Middays77% on time · p90 35 min · 981 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Wednesdays86% on time · p90 20 min · 530 flights
- Fridays85% on time · p90 20 min · 567 flights
- Tuesdays84% on time · p90 25 min · 511 flights
- Thursdays83% on time · p90 25 min · 566 flights
- Saturdays82% on time · p90 30 min · 536 flights
- Sundays82% on time · p90 25 min · 573 flights
- Mondays79% on time · p90 30 min · 560 flights
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