BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
ORDSTL

American Airlines Chicago, IL (ORD) to St. Louis, MO (STL) reliability

A dedicated historical view of 535 American Airlines marketed flights on this direction during July 2025–June 2026.

HISTORICAL ROUTE SIGNALVariable
63.7%arrived on time
25.6%30+ min late
2.6%cancelled
535scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late25.6%
60+ minutes late13.1%
Cancelled2.6%
Average arrival+24.8 mincompleted flights

What this airline-route sample says

American Airlines completed 97.2% of its scheduled reportable ORD to STL flights in the observation window. 63.7% of all scheduled flights arrived less than 15 minutes late, while 13.1% arrived at least an hour late.

Use the parent route report to compare this result with other marketing carriers and with time-of-day, weekday and monthly slices.

Compare all airlines on this route

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.