Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Dulles → Pittsburgh via New York: arrives on time 34%

  1. 12:29 IAD → 13:58 JFK
    DL 5835 · Delta, flown by Republic · 1h 29m · 42% on time, 9.1% cancelled
  2. 1h 06m layover in New York (JFK) · 45 min minimum on one ticket
  3. 15:04 JFK → 17:06 PIT
    DL 5685 · Delta, flown by Republic · 2h 02m · 78% on time, 5.8% cancelled

Total trip 4h 37m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection51%The first flight arrived more than 21 minutes late on 49% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time34%First flight not cancelled (9.1% are) × connection made (51%) × second flight not cancelled (5.8% are) and within 15 minutes (78%).
Total trip4h 37mIAD 12:29 to PIT 17:06, 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.