Ulaanbaatar (Sergelen) to Chicago (UBN–ORD) — Airlines, Schedules & Connections

UBN Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 4 1-stop flights
No nonstop service between UBN and ORD. Nearest airports to UBN with scheduled service: Bulgan Airport (UGA, 175 mi) · Arvaikheer Airport (AVK, 213 mi)
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 4 hubs
NRT Narita 18h NHUA → JLMHNH Narita (NRT) to Chicago flights
HKG Hong Kong 21h CX → CVCXMH Hong Kong (HKG) to Chicago flights
IST Istanbul 21h 28m OMTK → 6EHYPK Istanbul (IST) to Chicago flights
ICN Seoul 21h 35m 7CEYKE → KE Seoul (ICN) to Chicago flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ulaanbaatar (Sergelen) to Chicago
Connecting service available through multiple hubs.
-13h behind

While no nonstop service exists between UBN and ORD, 1-stop connecting options are available.

Also explore Browse available seat maps UBN Routes ORD Routes UBN Live Flights ORD Live Flights ORD Delays
All flights from Chicago (ORD) Chicago to Ulaanbaatar (Sergelen) flights
Connections

Connection Landscape

1-stop and 2-stop options for UBN to ORD.
1-STOP
One-Stop Connections
4
Hubs
~18h
Fastest
~21h
Longest
NRT ~18h 0m HKG ~21h 0m IST ~21h 28m ICN ~21h 35m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
239
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
UBN → ORD
100%
Generally reliable. Most flights run on time.
Arriving
100%
Return
ORD → UBN
100%
Generally reliable. Most flights run on time.
Departing
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ORD delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-13h
Chicago is 13 hours behind Ulaanbaatar (Sergelen).
UBN: +08 · ORD: CDT

When it's 6:00 PM in Ulaanbaatar (Sergelen), it's 5:00 AM in Chicago.
Getting from ORD

CTA Blue Line runs 24/7 from O'Hare to downtown Chicago (45 min, $5). Taxis use a flat-rate zone system; downtown is around $40–45 plus tip. Ride-shares are typically $30–50.The Airport Transit System (ATS) connects all terminals and parking. Metra commuter rail does not serve O'Hare directly; transfer downtown via Blue Line.

Chicago Climate

Continental climate with four distinct seasons. Summers are warm and humid (25–32°C) with afternoon thunderstorms. Winters are cold (−10 to −2°C) with heavy snowfall that regularly delays flights December through March.

Spring and fall are mild but unpredictable. Pack layers. Lake Michigan moderates temperatures near the lakefront, but O'Hare sits inland and runs colder.

Check current weather forecasts before travel.
Facts

UBN–ORD Quick Facts

Key statistics for the Ulaanbaatar (Sergelen) to Chicago route.
Route details
Time difference-13 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: UBN
Full nameUlaanbaatar Chinggis Khaan International Airport
IATA / ICAOUBN / ZMCK
TimezoneAsia/Ulaanbaatar
Elevation4,482 ft / 1,366 m
Destination: ORD
Full nameChicago O'Hare International Airport
IATA / ICAOORD / KORD
TimezoneAmerica/Chicago
Passengers/yr80.0M
Elevation680 ft / 207 m
FAQ

Frequently Asked Questions

Common questions about UBN to ORD flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Narita, Hong Kong and İstanbul.
On a single ticket, yes. Your bags are checked through to ORD and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Chicago is 13 hours behind Ulaanbaatar (Sergelen).
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Narita, Hong Kong and İstanbul. Two-stop connections are also available via intermediate hubs.