Departure
Scheduled departure: 2026-10-29 16:20 (UTC-05:00). Confirm airport transport and terminal opening hours in advance.
UA5021 Chicago O'Hare International Airport to Sioux Gateway Airport / Brigadier General Bud Day Field nonstop flight: schedule, airports, aircraft and travel guide.
UA5021 Flight Overview
UA5021 is operated by SkyWest DBA United Express and connects Chicago O'Hare International Airport (ORD) and Sioux Gateway Airport / Brigadier General Bud Day Field (SUX). Scheduled departure: 2026-10-29 16:20 (UTC-05:00); scheduled arrival: 2026-10-29 18:10 (UTC-05:00).
AirlineUnited Airlines
Flight numberUA5021
RouteORD to SUX
Scheduled duration1 hr 50 min
Chicago to Sioux City Route Information
UA5021 is a nonstop flight from Chicago O'Hare International Airport (ORD) to Sioux Gateway Airport / Brigadier General Bud Day Field (SUX). Use the information below to plan your journey.
Route distanceApprox. 701 km
Scheduled flight time1 hr 50 min
Time difference0 min
Flight typenonstop
Arrival
Scheduled arrival: 2026-10-29 18:10 (UTC-05:00). Arrange pickup, hotel and onward transport for the arrival date.
Time zones
Departure: Chicago (UTC-05:00); arrival: Sioux City (UTC-05:00).
UA5021 On-time Performance & History
Methodology
70%Arrival on-time rate
Sample flights70 (flights)
Average departure delay1 min
Average arrival delay39 min
Cancllation rate0%
Longest delay-
Early arrivals43%
Historical statistics are for reference only and do not predict future flight performance.
Aircraft, Cabin & Services
Based on currently published aircraft and cabin information; the operating aircraft may change.
Published aircraft type
Canadair RJ 200
Economy 31 in
Seat configuration depends on the operating aircraft
31 in
Availability and fees depend on the flight
UA5021 Airports
Terminals follow the published schedule; check official airline channels for same-day gates and operations.
ORDChicago O'Hare International Airport
Chicago, United States · UTC-05:00
- Departure terminal
- T2
- Check-in counter
- Announced on the day
SUXSioux Gateway Airport / Brigadier General Bud Day Field
Sioux City · UTC-05:00
- Arrival terminal
- Baggage belt
- Announced on the day
Chicago O'Hare International Airport Departure & Sioux Gateway Airport / Brigadier General Bud Day Field Arrival Guide
Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.
Departing from Chicago O'Hare International Airport
UA5021 is scheduled to depart from T2. Allow time for international check-in, baggage drop, security and immigration.
Arriving at Sioux Gateway Airport / Brigadier General Bud Day Field
Scheduled arrival is at . After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.
Planning your arrival
Scheduled arrival: 2026-10-29 18:10. Use the arrival date when booking hotels and pickup services.
Flight Changes, Cancellations & Missed Flights
If the schedule or aircraft changes, follow the booking channel and operating carrier rules.
Schedule changes
After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.
Cancellation and changes
Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.
Missed flight
If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.
Check-in, Baggage & Entry Tips
International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.
Arrive early for check-in
Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Chicago O'Hare International Airport guidance.
Check baggage allowance
Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.
Prepare entry documents
Before departure, check passport validity, visa or visa-free eligibility, andSioux Gateway Airport / Brigadier General Bud Day Field’ latest arrival declaration requirements.
What should I check before flying UA5021?
Check the departure date
For an overnight flight, check the departure date on your ticket and plan airport transport in advance.
Confirm the operating carrier
Follow the airline rules shown in your booking for check-in and checked baggage.
Check boarding information
Gates and operating times may change; follow airline notices and airport displays.
Popular route recommendations
UA5021 Frequently Asked Questions
Which airline operates this flight?
UA5021 is operated by United Airlines.
Where does it depart and arrive?
Chicago O'Hare International Airport (ORD) → Sioux Gateway Airport / Brigadier General Bud Day Field (SUX).
What are the departure and arrival times?
Scheduled departure 16:20, arrival 18:10 · 1 hour 50 minutes.
Which terminal is used for check-in?
Departure terminal T2, arrival terminal No data. Check-in, gate and baggage belt are announced on the day.
Are meals and inflight entertainment available?
Meals: Free snacks on flights over 300 miles; food and alcohol for purchase in economy. Inflight entertainment: In-flight entertainment is unavailable.
Explore This Route
Departure airportFlights from Chicago O'Hare International Airport
Operating airlineSkyWest DBA United Express information