Flights Baltimore → Islip
BWI → ISP
Route overview
The flight route from Baltimore to Islip has a 72% on-time performance rate, with an average delay of 15.2 minutes when flights are not on schedule. With 281 total flights recorded, this route connects two cities served by airports that have varying levels of traffic; Baltimore's airport opened in 1947, while Islip's handles approximately 1,580,000 passengers annually.
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 Baltimore (BWI) → Islip (ISP) route is operated by Southwest Airlines. Across 393 flights monitored in recent months, 69% arrived on time (within 15 min of schedule), with an average delay of 17 minutes. The cancellation rate is 2.80%. FlightGuard's average computed risk is 19.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Islip the average ATFM delay is 3.5 minutes (main cause: airspace/NAS (BTS)). Departing from Baltimore the average ATFM delay is 2.0 minutes.
Heading to Islip: what to expect in this direction
Flying from Baltimore (BWI) to Islip (ISP) heads north-east for about 353 km, a flight time of roughly 52m.
Departures from Baltimore on this leg cluster in the morning window: about 52% of BWI-ISP flights take off then.
Air-traffic congestion: departing Baltimore the average ATFM delay is 2.0 min (atfm); arriving into Islip it is 3.5 min (airspace/NAS (BTS)).
Across 393 tracked BWI-ISP flights, 69% left on time with an average delay of 17 min and a 2.8% 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 BWI-ISP
Airports
Frequently asked questions about BWI-ISP
On the Baltimore (BWI) -> Islip (ISP) route, on-time performance is 69% with an average delay of 17 minutes, based on 393 tracked flights.
The cancellation rate on Baltimore-Islip is 2.80% across 393 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 Islip, 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.
