Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Washington via Boston: arrives on time 24%
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15:09 LGA → 16:35 BOSAA 4370 · American, flown by Republic · 1h 25m · 58% on time, 5.7% cancelled
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48m layover in Boston (BOS) · 45 min minimum on one ticket
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17:23 BOS → 19:14 DCAAA 1557 · American · 1h 51m · 53% on time, 4.8% cancelled
Total trip 4h 05m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection51%The first flight arrived more than 3 minutes late on 49% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time24%First flight not cancelled (5.7% are) × connection made (51%) × second flight not cancelled (4.8% are) and within 15 minutes (53%).
Total trip4h 05mLGA 15:09 to DCA 19:14, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.