Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Pittsburgh via Atlanta: arrives on time 51%
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19:15 BOS → 22:19 ATLDL 973 · Delta · 3h 04m · 81% on time, 2.5% cancelled
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47m layover in Atlanta (ATL) · 45 min minimum on one ticket
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23:06 ATL → 00:52 PIT +1 dayDL 1351 · Delta · 1h 46m · 80% on time, 1.6% cancelled
Total trip 5h 37m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection67%The first flight arrived more than 2 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time51%First flight not cancelled (2.5% are) × connection made (67%) × second flight not cancelled (1.6% are) and within 15 minutes (80%).
Total trip5h 37mBOS 19:15 to PIT 00:52, 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.