The flight time from Los Angeles to Chicago is 3 hours, 56 minutes. See Data as Tables

Average Timeline

Leaves LAX Los Angeles, CA 1 minute early.
16 minutes taxiing out
3 hours, 28 minutes in the air
10 minutes taxiing in
Arrives ORD Chicago, IL 7 minutes early.

Flight Reliability By Airline ?


Reverse Journey

Chicago to Los Angeles
4 hours, 22 minutes

Flight Time By Airline ?

3h 46m
3h 55m
3h 56m
3h 58m
3h 59m
4h 3m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?


Flights Per Week



1744 Miles

Flights By Month ?


Flights By Day of Week ?


Flights By Airline ?
(Per Week)


Tables and Explanations

Data Source

Our information is computed from the latest available data from the US Department of Transportation.

Average Timeline Timeline Chart

The average timeline contains the median time a flight spends in 3 stages. The first of these three stages is taxiing out which includes the time from the flight leaving the gate to taking off. The second stage is in the air, which includes the time spent from the flight leaving the ground to touching back down at the end of it's journey. The last stage is taxiing in, which is from when the flight touches down to the flight arriving at it's gate.

The average timeline also estimates on average of when the flight will leave and arrive relative to it's stated departure time.

Leaves Los Angeles 1 minute early
Taxi Out Time 16 minutes
In the Air 208 minutes
Taxiing In 10 minutes
Arrives Chicago 7 minutes early

Flight Reliability Reliability Chart

The reliability of an airline measures how often the airline's flights on this route are cancelled or delayed more than 10 minutes. For example, from Los Angeles to Chicago, Southwest is 81% reliable, which means that Southwest flights are on time 81% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 88% 12% 0%
Frontier 86% 14% 0%
American 86% 13% 1%
Southwest 81% 18% 1%
Spirit 80% 19% 1%
Virgin 80% 20% 0%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Los Angeles and Chicago, this is due to different operational factors on the ground, as well as scheduling of planes. Each airline's flight time is split into three stages which are described above in the "Average Timeline" section. There are also miscellaneous operational issues which are included in the below total but are not accounted for in one of the three stages.

Airline Taxiing Out
In the Air
Taxiing In
Southwest 12 207 5 226
United 17 206 10 235
Spirit 14 208 11 236
Virgin 16 209 12 238
Frontier 19 209 10 239
American 19 209 12 243

Flights By Time of Day Flight Time By Day Chart

This one is pretty self explanatory, it represents the number of flights that leave the gate in a given hour of the day. The tricky thing here is that this is normally not a whole number since it is an average over 52 weeks. Partial numbers may indicate that a flight may be seasonal or may take off at different times due to different operational factors.

Time Count
0am 0.96
1am 0.98
5am 0.76
6am 2.24
7am 0.79
8am 1.72
9am 2.21
10am 1.93
11am 1.96
12pm 1.36
1pm 1.87
2pm 1.82
3pm 0.63
4pm 1.02
5pm 3.65
6pm 0.98
7pm 0.76
8pm 0.12
10pm 0.44
11pm 2.78

Flights By Month Flights By Month Chart

The quantity of flights from Los Angeles to Chicago that take off in a given month of the year. This number changes because some flights are seasonal, and almost all flights have uneven demand througout the year.

Month Count
January 827
February 735
March 807
April 818
May 900
June 933
July 981
August 997
September 902
October 940
November 857
December 882

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Los Angeles to Chicago that take off on a given day of the week. Some routes only have enough demand to sustain a few trips a week, while others have many flights a day. This number is also an average across the year, and hence may not be a whole number.

Day Count
Monday 29.6
Tuesday 29.3
Wednesday 29.2
Thursday 29.7
Friday 29.6
Saturday 26.1
Sunday 30

Flight per Airline (per Week) Flights By Airline Chart

How many times an airline flies this route in a week. Different factors play into how often a carrier chooses to fly a given route including it's need to connect disparate routes, and demand.

Airline Flights per Week
United 70
American 62
Southwest 38
Spirit 14
Virgin 14
Frontier 6

Flight Time By Time of Day Flight Time by Time of Day Chart

The total flight time varies by each hour of the day due to factors such as airport traffic. More flights leaving an airport may cause higher taxi in or taxi out times. See the description of the average timeline above for a deeper discussion of each of these times.

Time Taxi Out
In the Air
Taxi In
0am 15 205 9 231
1am 17 209 16 245
5am 13 212 6 233
6am 16 209 10 236
7am 15 208 10 234
8am 20 209 11 241
9am 17 209 12 241
10am 18 209 12 240
11am 18 209 15 246
12pm 14 207 8 232
1pm 17 211 15 244
2pm 15 208 12 236
3pm 14 205 6 227
4pm 15 207 7 230
5pm 16 205 8 232
6pm 15 207 6 228
7pm 11 205 5 223
8pm 11 206 5 224
10pm 17 203 8 229
11pm 20 205 8 233
* Delayed more than 10 minutes.
All data above is a median or mean as appropriate.