AA2126 ORD → STL

American Airlines · Chicago, IL to St. Louis, MO · 44 flights observed, 2026-04-07 to 2026-05-20 · 258 mi

This flight's reliability varies a lot by day of week — 83% on-time on Wednesdays vs. 33% on Thursdays.

AA2126 covers more than one route in the data window — the stats below are for ORD → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
56%
Median delay
+12 min
90th percentile
+89 min
Cancellation rate
2%

How often is AA2126 on time?

Across 44 flights on ORD → STL from 2026-04-07 to 2026-05-20, AA2126 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +89 min or later. 2% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2456%
16-30 min49%
31-60 min716%
61-120 min512%
2+ hrs37%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042352%+36 min
2026-052060%+23 min

Performance by day of week

DayFlightsOn-time
Mon650%
Tue757%
Wed683%
Thu633%
Fri667%
Sat650%
Sun650%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…