Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Baltimore via Boston: arrives on time 33%
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16:48 ATL → 19:36 BOSDL 518 · Delta · 2h 47m · 59% on time, 1.4% cancelled
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59m layover in Boston (BOS) · 45 min minimum on one ticket
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20:35 BOS → 22:29 BWIDL 5851 · Delta, flown by Republic · 1h 49m · 63% on time, 6.8% cancelled
Total trip 5h 36m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection58%The first flight arrived more than 14 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time33%First flight not cancelled (1.4% are) × connection made (58%) × second flight not cancelled (6.8% are) and within 15 minutes (63%).
Total trip5h 36mATL 16:48 to BWI 22:29, 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.