Historical on-time performance
Washington to Chattanooga
523 miData through May 2026Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 DCA → CHA
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 63% to 64% on time.
- Overnights64% on time · p90 100 min · 382 flights
- Evenings63% on time · p90 90 min · 432 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 61% to 68% on time.
- Mondays68% on time · p90 90 min · 149 flights · limited
- Tuesdays66% on time · p90 80 min · 150 flights · limited
- Wednesdays64% on time · p90 95 min · 150 flights · limited
- Thursdays62% on time · p90 80 min · 145 flights · limited
- Sundays61% on time · p90 105 min · 149 flights · limited
- Fridays61% on time · p90 105 min · 148 flights · limited
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