Los AngelesChicago

LAX ⇄ ORD · Los Angeles International Airport ⇄ O'Hare International Airport
2.3M
Combined Passengers, 2025
4
Airlines
4h 22m
Avg Flight Time
84%
Avg Load Factor
~38
Flights / Week, Both Ways

About the Los Angeles–Chicago Route

A look at why LAX to ORD carries the traffic it does, who flies it, and what to expect onboard.

LAX to Chicago links two of the largest hub airports in the American and United networks, and both carriers fly it with a mix of mainline narrowbodies and occasional widebody substitutions during peak demand periods. Unlike the coastal premium transcon routes, this one carries a heavier mix of connecting passengers funneling through O'Hare toward the Midwest and East Coast, which keeps demand more evenly spread across the week rather than concentrated around weekend leisure patterns. The four-hour flight time crosses two time zones, making redeye westbound and early-morning eastbound departures the most schedule-efficient options, and that is exactly where airlines concentrate their widebody-capable gates when they use them on this route.

How long is the flight from Los Angeles to Chicago?

Nonstop flights from Los Angeles to Chicago O'Hare take approximately 4 hours. The four-hour block time crosses two time zones, making redeye westbound and early-morning eastbound departures the most schedule-efficient options for business travelers on both ends.

Airlines serving this route

Every carrier flying LAX ⇄ ORD nonstop, combining both directions, ranked by passenger share.

UA
50%
13 flights LAX→ORD · 0 flights ORD→LAX
AA
39%
17 flights LAX→ORD · 0 flights ORD→LAX
F9
2%
1 flights LAX→ORD · 1 flights ORD→LAX
DL
0%
3 flights LAX→ORD · 3 flights ORD→LAX

Aircraft flown on this route

Which airplane types operate LAX ⇄ ORD, based on official reporting across both directions.

Airbus A321neoA20N
33%
Boeing 737-800B738
30%
Boeing 757-300B753
12%
Airbus A321A321
10%
Boeing 737-900ERB739
6%
Airbus A320neoA20N
4%
Boeing 737 MAX 9B39M
3%
Boeing 737 MAX 8B38M
2%

Flight schedules

Live nonstop schedules in both directions. Switch tabs to see the return leg.

AA 17 flights
FlightDepartsDuration
AA 1009 10:36pm 4h 24m
AA 1050 11:40am 4h 32m
AA 1433 5:50pm 4h 17m
AA 1598 8:27am 4h 27m
AA 1628 10:21am 4h 29m
AA 1980 5:35pm 4h 26m
AA 1998 4:39pm 4h 21m
AA 2608 9:30am 4h 29m
AA 2718 4:25pm 4h 35m
AA 2891 10:59am 4h 30m
AA 2919 12:40am 4h 26m
AA 3075 10:19am 4h 29m
AA 3134 1:16pm 4h 43m
AA 3161 12:41am 4h 25m
AA 3194 1:07pm 4h 40m
AA 383 6:00am 4h 23m
AA 2998 9:25am 4h 29m
DL 3 flights
FlightDepartsDuration
DL 1634 5:46pm 4h 2m
DL 2368 11:29am 4h 11m
DL 967 7:35am 4h 6m
UA 13 flights
FlightDepartsDuration
UA 1962 11:30pm 4h 11m
UA 2780 4:55pm 4h 10m
UA 2794 3:20pm 4h 10m
UA 353 10:35pm 4h 10m
UA 457 12:40pm 4h 20m
UA 729 12:10am 4h 10m
UA 1754 6:58pm 4h 17m
UA 1941 7:00am 4h 15m
UA 1946 8:15am 4h 21m
UA 2113 10:44am 4h 21m
UA 212 5:00pm 4h 16m
UA 2487 2:15pm 4h 18m
UA 580 5:30am 4h 16m
F9 1 flight
FlightDepartsDuration
F9 2446 11:59pm 4h 18m

Seasonal traffic pattern

Combined passenger volume by month across both directions, showing which months run busiest.

J
F
M
A
M
J
J
A
S
O
N
D
Peak month: Jul, both directions combined

Route Intelligence

Independent metrics on how stable, scarce, and competitive this route is, built from verified airline performance data.

Route Scarcity
Tight
Avg Load Factor (3yr)
87.5%
Carrier Count
3 airlines
Currently serving LAX → ORD
AA Stable Competitive Year-Round
Stability
83.3/100
Market Share
39.7%
Years Live
6/6
UA Stable Dominant Year-Round
Stability
71.3/100
Market Share
49.3%
Years Live
6/6
DL Stable Minor Highly Seasonal
Stability
70/100
Market Share
0.0%
Years Live
3/6
Previously flew this leg · no longer active
NK Spirit Airlines
Stability
72.7/100
Peak Share
8.4%
Years Live
Exited
OO SkyWest Airlines
Stability
70/100
Peak Share
0.0%
Years Live
Exited
SY Sun Country Airlines
Stability
58.1/100
Peak Share
0.0%
Years Live
Exited
FX FedEx
Stability
57.5/100
Peak Share
N/A
Years Live
Exited
B6 JetBlue Airways
Stability
47/100
Peak Share
N/A
Years Live
Exited
IB Iberia
Stability
46.1/100
Peak Share
N/A
Years Live
Exited
LH Lufthansa
Stability
42.4/100
Peak Share
N/A
Years Live
Exited
5X UPS
Stability
40/100
Peak Share
N/A
Years Live
Exited
AC Air Canada
Stability
40/100
Peak Share
N/A
Years Live
Exited
AF Air France
Stability
40/100
Peak Share
N/A
Years Live
Exited
VS Virgin Atlantic
Stability
40/100
Peak Share
N/A
Years Live
Exited
WN Southwest Airlines
Stability
40/100
Peak Share
N/A
Years Live
Exited
AS Alaska Airlines
Stability
38/100
Peak Share
0.0%
Years Live
Exited
5Y Atlas Air
Stability
34/100
Peak Share
N/A
Years Live
Exited
Year-Round Route
Operates ~12 months per year on average (UA)
Has operated 6 of the last 6 years

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