Historical on-time performance
Greenville to Baltimore
Flights on GSP–BWI arrive on time 87% of the time over the last 12 months.
based on 719 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time87%Medianon timep9015 minCancel1.5%Flights719
Why flights run late
Delay causes
- Airline21%
- Weather3%
- Air traffic (NAS)22%
- Late aircraft54%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 11 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 GSP → BWI
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 94% on time.
- Mornings94% on time · p90 on time · 697 flights
- Middays91% on time · p90 10 min · 387 flights
- Afternoons77% on time · p90 45 min · 273 flights
- Evenings67% on time · p90 60 min · 332 flights
- Overnights63% on time · p90 45 min · 112 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 89% on time.
- Wednesdays89% on time · p90 15 min · 250 flights
- Tuesdays88% on time · p90 15 min · 252 flights
- Saturdays87% on time · p90 20 min · 250 flights
- Thursdays84% on time · p90 25 min · 256 flights
- Fridays82% on time · p90 30 min · 258 flights
- Sundays80% on time · p90 30 min · 279 flights
- Mondays79% on time · p90 30 min · 256 flights
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