ORD → STLChicago to St Louis

live

Direct flights from Chicago (ORD) to St Louis (STL): 26 nonstop departures observed each week across 4 airlines. 74% of the last 31 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes early. No cancellations were recorded across the 31 tracked flights. The nonstop covers 415 km, an estimated 1 hour 2 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago and St Louis. Updated 8 September 2026 at 03:42 UTC.

ORD Chicago smooth · +0
STL St Louis busy · +26
415 km · ~1h 02m est.
dep bank 07:00–23:0026x weekly
Runs mixed · 4 airlines · 26x weekly · nonstop
74% on time

of the last 31 operated ORD → STL flights arrived within 15 minutes

Median arrival delay is −3 min. 0 of 31 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−3 minacross the last 31 operated legs
Flight time~1h 02mestimated from route distance
Weekly departures26x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 31

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesDelta Air LinesEnvoy AirUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
American AirlinesAA67% on time

Flights AA3568 07:00 daily · AA6355 11:29 daily · AA3620 varies Tu We Th Fr Sa Su · AA3570 17:59 daily

Delta Air LinesDL

Flights DL4681 varies Mo We Th Fr Su

Envoy AirMQ

Flights MQ3620 varies daily

United AirlinesUA80% on time

Flights UA4681 07:05 Mo We Th Fr Su · UA4613 08:40 daily · UA775 10:29 daily · UA4479 13:30 daily

History

operated legs · board outcomes
09-07AA3568departed−6
09-07AA3570departed−3
09-07AA3620departed+25
09-07AA6355departed−4
09-07MQ3570arrived+13
09-07MQ3620arrived+38
09-07UA1032dep +65 → arr−43
09-07UA2000dep +12 → arr−11
09-07UA3493dep −5 → arr−29
09-07UA4412dep −5 → arr+82
09-07UA4416dep −8 → arr−28
09-07UA4479dep −5 → arr−19
09-07UA4518dep +90 → arr+66
09-07UA4613departed−4
09-07UA4681departed−7
09-07UA775departed−5
09-06AA3069departed−2
09-06AA3568departed−8
09-06AA3570departed−3
09-06AA3620departed+25
09-06AA6355departed+66
09-06UA1032departed+18
09-06UA2000departed−4
09-06UA4412departed+7
09-06UA4416departed+6
09-06UA4479departed−1
09-06UA4518departed+158
09-06UA4576departed−6
09-06UA4613departed+11
09-06UA4681departed−7
09-06UA775departed+7

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
ORDChicago +0 min smooth 🌤 scattered clouds · E 6 kt Full ORD delay board →
STLSt Louis +26 min busy 🌤 scattered clouds · E 7 kt Full STL delay board →

Weather lens

Current conditions put the pressure at ORD and STL: 45% odds of a 15+ minute delay and around +14 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Chicago to St Louis route actually runs

Pro Flight Search records official board updates for nonstop ORD to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Chicago (ORD) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/ORD-STL
How we measure this →

ORD to STL questions

Is ORD–STL running on time right now?

Smooth skies ahead. The arrival side at STL is the weaker end, route health score 83/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ORD–STL?

Operators schedule morning departures around 07:00 and evening departures around 17:45 from ORD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from ORD to STL?

Great-circle distance is 415 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 59–66 min gate-to-gate on this route.

How often does ORD–STL fly?

4 carriers operate this route, around 113 flights a week between them. Compare carrier days and times in the airline list above.