United Airlines flights from STL to ORD
Find comprehensive United Airlines flight information, schedules, and booking details for direct flights from STL to ORD. United Airlines operates 9-15 flights daily flights on this route.• Flight Duration: 1h 16m - 1h 44m (average flight time)• Distance: 259 miles (417 km) (air miles between airports)• Daily Flights: 9-15 flights (scheduled departures per day)
STL
ORD
FLIGHT TIME
1h 16m - 1h 44m
FLIGHT DISTANCE
259 miles (417 km)
1h 23m - 1h 30m
06:30
18:43
259 miles (417 km)
March
1 (Show)
102
United Airlines Flight Schedule from STL to ORD
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA4423 |  United Airlines | 06:30 | 07:59:00 | Canadair (Bombardier) Regional Jet 550 |
UA4183 | United Airlines | 08:00 | 09:29:00 | Canadair (Bombardier) Regional Jet 550 |
UA4399 | United Airlines | 10:00 | 11:29:00 | Canadair (Bombardier) Regional Jet 550 |
UA4395 | United Airlines | 11:05 | 12:34:00 | Canadair (Bombardier) Regional Jet 550 |
UA4498 | United Airlines | 12:31 | 14:00:00 | Canadair (Bombardier) Regional Jet 550 |
UA3611 | United Airlines | 15:14 | 16:44:00 | Embraer 170 |
UA2059 | United Airlines | 17:24 | 18:47:00 | Airbus A319 |
UA3597 | United Airlines | 18:43 | 20:13:00 | Embraer 175 (Enhanced Winglets) |
United Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 16m - 1h 44m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, 8:00, 10:00, offering more flight options and potentially better connections.
STL - ORD flight price statistics
$255
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$288
Jan$275
Feb$124
Mar$187
Apr$245
May$307
Jun$286
Jul$261
Aug$337
Sep$240
Oct$240
Nov$270
DecUnited Airlines Terminal Information
Terminal information for United Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about United Airlines Flights
How many United Airlines flights operate from STL to ORD?
United Airlines operates 8 flights from STL to ORD.
What city does ORD airport serve?
ORD airport serves Chicago.
How long is the United Airlines flight from STL to ORD?
The flight duration is approximately 1h 16m - 1h 44m.
What is the distance from STL to ORD?
The distance is 259 miles (417 km).
What aircraft does United Airlines use on this route?
United Airlines uses Canadair (Bombardier) Regional Jet 550, Embraer 170, Airbus A319 and 1 more aircraft type on this route.
Which other airlines operate on this route?
1 other airline operates on this route: American Airlines.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 06:30 and the latest departs at 18:43.
What is the cheapest month to fly United Airlines from STL to ORD?
March is typically the cheapest month to fly United Airlines on this route.
What is the average price for a United Airlines flight from STL to ORD?
The average price for a round-trip United Airlines flight on this route is approximately $255. Prices can vary based on booking time and demand.
How many United Airlines flights operate per week on this route?
United Airlines operates approximately 102 flights per week from STL to ORD.