Historical on-time performance
Washington to Greenville
396 miData through May 2026Source: 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 delay100 min1 in 10 flights is worse (tail risk)
Cancelled5.8%of scheduled flights
based on 964 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 timep90100 minCancel5.8%Flights964
Why flights run late
Delay causes
- Airline28%
- Weather7%
- Air traffic (NAS)12%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather75%
- Air traffic (NAS)18%
- Security2%
Most cancellations here are attributed to Weather. Shares are among 56 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 → GSP
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 83% on time.
- Mornings83% on time · p90 25 min · 1,012 flights
- Afternoons77% on time · p90 50 min · 206 flights
- Evenings62% on time · p90 95 min · 926 flights
- Overnights61% on time · p90 105 min · 824 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 77% on time.
- Saturdays77% on time · p90 65 min · 319 flights
- Tuesdays75% on time · p90 60 min · 456 flights
- Wednesdays72% on time · p90 65 min · 453 flights
- Sundays68% on time · p90 80 min · 427 flights
- Thursdays67% on time · p90 65 min · 449 flights
- Fridays67% on time · p90 85 min · 455 flights
- Mondays66% on time · p90 70 min · 458 flights
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