Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Raleigh/Durham → Dulles via Atlanta: arrives on time 80%
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05:20 RDU → 06:44 ATLDL 1552 · Delta · 1h 24m · 95% on time, 2.8% cancelled
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59m layover in Atlanta (ATL) · 45 min minimum on one ticket
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07:43 ATL → 09:26 IADDL 1324 · Delta · 1h 45m · 90% on time, 4.1% cancelled
Total trip 4h 08m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection95%The first flight arrived more than 14 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time80%First flight not cancelled (2.8% are) × connection made (95%) × second flight not cancelled (4.1% are) and within 15 minutes (90%).
Total trip4h 08mRDU 05:20 to IAD 09:26, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.