Vienna to Birmingham (Alabama) via Chicago

2 connections on the timetable in the last 7 days, each with its time between the gates on up to 10 days, to Fri 6 Nov. Find yours by its times.

Between the gates, a bar a day, oldest to latestTimetable

1. 2 h 31 apart OS 1 arrives 13:10 → UA 4547 leaves 15:41 Between the gates: 50 min to 4 h 30, typically 1 h 37
2. 1 h 41 apart OS 45 arrives 14:00 → UA 4547 leaves 15:41 Between the gates: 31 min to 4 h 21, typically 1 h 25

Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.