BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
GSP→BWI

Southwest Airlines Greer, SC (GSP) to Baltimore, MD (BWI) reliability

Among 719 scheduled Southwest Airlines flights from GSP to BWI, 88.2% arrived on time, 7.1% arrived at least 30 minutes late, and 1.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Southwest Airlines (WN) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
88.2%arrived on time
7.1%30+ min late
1.5%cancelled
719scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late7.1%
60+ minutes late4.3%
Cancelled1.5%
Average arrival-2.0 mincompleted flights

What did Southwest Airlines GSP to BWI record?

Southwest Airlines completed 98.5% of its scheduled reportable GSP to BWI flights in the observation window. 88.2% of all scheduled flights arrived less than 15 minutes late, while 4.3% arrived at least an hour late.

What were Southwest Airlines GSP to BWI disruption rates?

For Southwest Airlines GSP-to-BWI flights, 7.1% arrived at least 30 minutes late, 1.5% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the Southwest Airlines GSP to BWI scheduled cohort?

The Southwest Airlines GSP-to-BWI cohort contained 719 scheduled flights; 708 completed, 11 were cancelled, and 0 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.