Historical on-time performance
Washington to Greenville
396 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–GSP arrive on time 61% of the time over the last 12 months.
On-time rate61%arrived within 15 min
p90 delay95 min1 in 10 flights is worse (tail risk)
Cancelled5.7%of scheduled flights
based on 985 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time61%Medianon timep9095 minCancel5.7%Flights985
Why flights run late
Delay causes
- Airline30%
- Weather7%
- Air traffic (NAS)10%
- Late aircraft52%
- 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 DCA → GSP
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 64% to 85% on time.
- Mornings85% on time · p90 25 min · 1,017 flights
- Middays83% on time · p90 35 min · 59 flights · limited
- Afternoons80% on time · p90 35 min · 266 flights
- Evenings65% on time · p90 90 min · 820 flights
- Overnights64% on time · p90 85 min · 852 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 81% on time.
- Saturdays81% on time · p90 55 min · 319 flights
- Tuesdays76% on time · p90 60 min · 460 flights
- Wednesdays75% on time · p90 45 min · 456 flights
- Sundays71% on time · p90 75 min · 416 flights
- Mondays70% on time · p90 70 min · 463 flights
- Thursdays70% on time · p90 50 min · 447 flights
- Fridays69% on time · p90 75 min · 453 flights
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