How often are PHL to BOS flights on time?

Flights from Philadelphia (PHL) to Boston (BOS) arrive on time 85% of the time across 28,896 flights of official data.

Which airline is most reliable on the PHL to BOS route?

Delta Air Lines has the best on-time record on this route at 92% across 5,259 flights.

Route reliability

Flights from Philadelphia to Boston arrive on time 85% of the time across 28,896 flights. Here’s how each airline really performs.

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On-time rate

28,896 flights

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg BOS → PHL.

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Nonstop vs. Connecting Flights: The Reliability Trade-off

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Do Morning Flights Really Have Fewer Delays?

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Are Some Airlines Really More Reliable Than Others?

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Score real PHL–BOS flights on reliability, weather, and connection safety — not just price.

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