Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Raleigh/Durham → Phoenix via Denver: arrives on time 83%
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05:15 RDU → 06:50 DENWN 4083 · Southwest · 3h 35m · 88% on time, 0.0% cancelled
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2h 25m layover in Denver (DEN) · 90 min minimum on separate tickets
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09:15 DEN → 10:11 PHXF9 2141 · Frontier · 2h 01m · 87% on time, 0.7% cancelled
Total trip 8h 01m, scheduled departure to arrival (Phoenix is 3 h behind Raleigh/Durham). Times are local. Both flew on 40 of the last 56 days.
Makes the connection95%The first flight arrived more than 55 minutes late on 5% of the days it flew: too late for the 90-minute minimum connection on a 2h 25m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.7% are) and within 15 minutes (87%).
Total trip8h 01mRDU 05:15 to PHX 10:11, 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.