American Eagle ENY4057 Tulsa Flight Diverts to Madison

Redirecting passengers from its scheduled Chicago O'Hare course, American Eagle Flight ENY4057, operated by Envoy Air, diverted safely to Madison Dane County Regional Airport on August 9, 2026.

The Core Transit Update

Regional aviation networks and domestic hub connections in the United States are managing unscheduled route changes. American Eagle Flight ENY4057, operated by Envoy Air from Tulsa International Airport (TUL) in Oklahoma to Chicago O’Hare International Airport (ORD) in Illinois, diverted to Madison Dane County Regional Airport (MSN) in Wisconsin.

The regional service—operated utilizing an Embraer E170LR regional passenger jet with registration N768RD—had a scheduled departure time of 7:49 PM local time but departed Tulsa late at approximately 9:07 PM. The aircraft was expected to arrive at Chicago O'Hare at 10:05 PM EDT, but diverted to Madison instead. Neither Envoy Air, American Airlines, nor the Federal Aviation Administration (FAA) have confirmed the reason for the diversion.

Diversion Parameters & Passenger Logistics

Navigating a regional flight diversion requires tracking scheduled coordinates and understanding regional airport options. The following tables outline the ENY4057 flight parameters and traveler transit guidelines.

Flight Number	Regional Operator	Aircraft Model (Reg)	Departure Airport (TUL)	Intended Destination (ORD)	Scheduled Arrival Time	Diverted Arrival Airport (MSN)
ENY4057	Envoy Air (American Eagle)	Embraer E170LR (N768RD)	Tulsa International (TUL)	Chicago O'Hare (ORD)	10:05 PM EDT	Madison Dane County (MSN)

Flight ENY4057 regional diversion parameters.

Flight Diversion Phase	Potential Passenger Impact	Recommended Traveler Action	Strategic Transit Tip
Alternative Arrival	Landed at Madison (MSN)	Listen to gate agent announcements	Madison is regular Envoy network station
Ground Logistics	Approximately 150 miles to Chicago	Confirm if replacement bus is arranged	Rebooking options via Envoy counters
Flight Rebooking	Missed connecting flights at ORD	Check American Airlines app for ticket updates	Waives standard ticket change fees

Passenger handling and regional transit guidelines.

Traveler Logistics Guide

From a ground-level perspective, the best way to navigate this is to coordinate with the Envoy Air gate agents in Madison (MSN) immediately after deplaning to check if alternative bus transport or rebooked flight tickets to Chicago O'Hare have been scheduled, as Madison is a regular station for Envoy Air, ensuring standard ground support is available. Checking gate notifications is recommended.

To manage your journey during regional flight disruptions:

Track Regional Ground Transit: Madison is located approximately 150 miles northwest of Chicago O'Hare. If ground transport is arranged by the airline, expect a coach travel time of about three hours.
Verify Connecting Flights: If you have onward connections booked from Chicago, use the American Airlines mobile app to search for alternative flights, as late arrivals may cause missed slots.
Check Baggage Transfers: For flights diverted to regional stations, checked bags typically remain locked in the aircraft cargo hold until a final destination plan is confirmed.
Understand Boarding Rules: Ensure you follow regional security boarding guidelines at Madison if you are transferred to a replacement aircraft.

Infrastructure Impact Assessment

The safe landing of the Embraer E170LR regional jet highlights the importance of Madison Dane County Regional Airport as a close, well-equipped diversion alternative for the Chicago O'Hare arrivals airspace.

By operating Madison as a strategic regional safety point, Envoy Air and American Airlines planners safely managed the flight trajectory, reduced terminal congestion at Chicago O'Hare, and ensured passenger safety before coordinating recovery transit options.