Southwest AirlinesWN36% on time
Flights WN835 08:40 Tu We · WN1350 varies Tu Sa · WN105 14:35 Mo Th Fr · WN1693 17:55 Tu We Sa Su
live
Direct flights from Baltimore (BWI) to Greenville/Greer/Spartanburg (GSP): 7 nonstop departures observed each week across 1 airline. 36% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 24 minutes late. No cancellations were recorded across the 11 tracked flights. The nonstop covers 685 km, an estimated 1 hour 23 minutes in the air. Measured by Pro Flight Search from live flight boards at Baltimore and Greenville/Greer/Spartanburg. Updated 12 September 2026 at 19:33 UTC.
BWI
Baltimore
heavy · +41
GSP
Greenville/Greer/Spartanburg
tracking
685 km · ~1h 23m est.
Runs rough · 1 airline · 7x weekly · nonstop
36% on time
of the last 11 operated BWI → GSP flights arrived within 15 minutes
Median arrival delay is +24 min. 0 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+24 minacross the last 11 operated legs
Flight time~1h 23mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 11
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Baltimore to Greenville/Greer/Spartanburg route actually runs
Pro Flight Search records official board updates for nonstop BWI to GSP flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Baltimore (BWI) to Greenville/Greer/Spartanburg (GSP) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/BWI-GSP
BWI to GSP questions
Is BWI–GSP running on time right now?
Significant delay risk. The departure side at BWI is the weaker end, route health score 46/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on BWI–GSP?
Operators schedule morning departures around 08:40 and evening departures around 17:55 from BWI. Earlier flights typically land before destination-airport delays accumulate later in the day; check the GSP delay card to confirm conditions when you'd arrive.
How long is the flight from BWI to GSP?
Great-circle distance is 685 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 78–89 min gate-to-gate on this route.
How often does BWI–GSP fly?
Southwest Airlines runs the route with about 14 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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