Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Ontario via Dallas-Fort Worth: arrives on time 73%
-
09:28 ORD → 11:57 DFWF9 1341 · Frontier · 2h 47m · 60% on time, 4.8% cancelled
-
3h 38m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
-
15:35 DFW → 16:48 ONTF9 4689 · Frontier · 3h 13m · 79% on time, 1.0% cancelled
Total trip 9h 20m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 31 of the last 56 days.
Makes the connection98%The first flight arrived more than 173 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 38m layover.
Arrives on time73%First flight not cancelled (4.8% are) × connection made (98%) × second flight not cancelled (1.0% are) and within 15 minutes (79%).
Total trip9h 20mORD 09:28 to ONT 16:48, 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.