Flights Greenville → Baltimore
GSP → BWI
Route overview
The flight route from Greenville to Baltimore boasts a high on-time performance rate of 93%, with an average delay of just 2.7 minutes. The destination airport, which opened in 1947, serves over 22.8 million passengers annually, making it one of the busiest airports in the region.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Greenville (GSP) → Baltimore (BWI) route is operated by Southwest Airlines. Across 208 flights monitored in recent months, 91% arrived on time (within 15 min of schedule), with an average delay of 4 minutes. The cancellation rate is 1.44%. FlightGuard's average computed risk is 19.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Baltimore the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Greenville the average ATFM delay is 2.0 minutes.
Heading to Baltimore: what to expect in this direction
Flying from Greenville (GSP) to Baltimore (BWI) heads north-east for about 685 km, a flight time of roughly 1h 17m.
Departures from Greenville on this leg cluster in the morning window: about 49% of GSP-BWI flights take off then.
Air-traffic congestion: departing Greenville the average ATFM delay is 2.0 min (atfm); arriving into Baltimore it is 2.0 min (atfm).
Across 208 tracked GSP-BWI flights, 91% left on time with an average delay of 4 min and a 1.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating GSP-BWI
Airports
Frequently asked questions about GSP-BWI
On the Greenville (GSP) -> Baltimore (BWI) route, on-time performance is 91% with an average delay of 4 minutes, based on 208 tracked flights.
The cancellation rate on Greenville-Baltimore is 1.44% across 208 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Baltimore, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
