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K9 91 St. Louis to Chicago Flight Status

Kalitta Charters Flight K991 from Spirit of St. Louis Airport SUS to Chicago Midway International Airport MDW is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on May 31st, 2026.
Check the table below for K991's most recent flight history:

K9 91 Flight Status & Schedule

Date Departure Arrival Status
May 31 23:51 00:32
Landed
Track >

Kalitta Charters K9 91 St. Louis to Chicago Flight Information

Kalitta Charters Flight K991 connects St. Louis, United States to Chicago, United States, taking off from Spirit of St. Louis Airport SUS and landing at Chicago Midway International Airport MDW.

How long is the K991 flight from St. Louis to Chicago?

The average flight time from St. Louis to Chicago is 41 minutes. The flight distance is 426 km / 265 miles and the average flight speed is 623 km/h / 387 mph.

How many K991 flights are operated per week?

1 flight per week. The flight K991 is operated on Monday.

What is the On-Time Performance (OTP) of Kalitta Charters Flight K991 St. Louis to Chicago?

The Airportia On-Time Performance Rating for Kalitta Charters Flight K991 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest K991 flight?

The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 00:32.

How else can the flight K991 be referenced as?

This Kalitta Charters flight can also be referenced as KFS91, KFS091, K9091, K90091, K9 91, KFS 91.

How often is flight K991 delayed?

On average, 0% of all K991 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled K991 flight or baggage issues?

If your K991 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our K991 Flight Tracker above for more details.

K991 and St. Louis SUS to Chicago MDW Flights

Other flights departing from St. Louis SUS: JL61, JL887

Other flights arriving at Chicago MDW: WN2653, WN1863, WN3342, WN1849

All flights connecting St. Louis SUS to Chicago MDW.

K991 Kalitta Charters Flight: St. Louis to Chicago Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.