Historical on-time performance
Charlotte to Washington
321 miData through Dec 2025Source: US DOT · BTS
Flights on CLT–IAD arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.4%of scheduled flights
based on 1,826 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time85%Medianon timep9025 minCancel1.6%Flights251
- United AirlinesOn-time89%Medianon timep9025 minCancel0.0%Flights62
- PSA AirlinesOn-time74%Medianon timep9055 minCancel2.8%Flights1,354
- American AirlinesOn-time74%Medianon timep9050 minCancel0.6%Flights159
Why flights run late
Delay causes
- Airline31%
- Weather9%
- Air traffic (NAS)14%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLT → IAD
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 69% to 88% on time.
- Mornings88% on time · p90 15 min · 1,146 flights
- Middays86% on time · p90 25 min · 1,905 flights
- Evenings74% on time · p90 55 min · 1,115 flights
- Afternoons73% on time · p90 55 min · 889 flights
- Overnights69% on time · p90 75 min · 884 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Tuesdays83% on time · p90 40 min · 755 flights
- Wednesdays82% on time · p90 30 min · 827 flights
- Thursdays81% on time · p90 35 min · 882 flights
- Mondays80% on time · p90 35 min · 903 flights
- Saturdays78% on time · p90 40 min · 768 flights
- Sundays78% on time · p90 55 min · 917 flights
- Fridays76% on time · p90 45 min · 887 flights
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