The flight time from Boston to Chicago is 2 hours, 44 minutes. See Data as Tables

Average Timeline

Leaves BOS Boston, MA 2 minutes early.
16 minutes taxiing out
2 hours, 13 minutes in the air
12 minutes taxiing in
Arrives ORD Chicago, IL 7 minutes early.

Flight Reliability By Airline ?


Reverse Journey

Chicago to Boston
2 hours, 10 minutes

Flight Time By Airline ?

2h 36m
2h 40m
2h 41m
2h 49m
2h 50m
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



867 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 Boston 2 minutes early
Taxi Out Time 16 minutes
In the Air 133 minutes
Taxiing In 12 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 Boston to Chicago, Southwest is 83% reliable, which means that Southwest flights are on time 83% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
American 86% 12% 2%
United 84% 14% 2%
Southwest 83% 14% 3%
Spirit 81% 17% 2%
JetBlue 71% 27% 2%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Boston 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 17 132 5 156
United 15 132 11 160
Spirit 14 131 15 161
American 17 134 15 169
JetBlue 18 134 16 170

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
5am 2.36
6am 1.56
7am 2.29
8am 0.51
9am 1.74
10am 2.05
11am 0.48
12pm 1.35
1pm 1.55
2pm 1.18
3pm 1.08
4pm 1.88
5pm 1.77
6pm 0.98
7pm 1.2
8pm 0.84
9pm 0.31

Flights By Month Flights By Month Chart

The quantity of flights from Boston 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 562
February 501
March 563
April 666
May 764
June 810
July 858
August 862
September 791
October 762
November 675
December 648

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Boston 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 24.5
Tuesday 23.8
Wednesday 23.8
Thursday 24.7
Friday 24.7
Saturday 18.2
Sunday 23.2

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
American 59
United 51
Southwest 30
JetBlue 20
Spirit 4

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
5am 15 133 9 160
6am 17 134 14 166
7am 19 133 15 169
8am 16 133 10 161
9am 17 133 12 164
10am 16 134 14 164
11am 15 132 7 157
12pm 15 132 13 161
1pm 15 132 9 158
2pm 15 134 11 161
3pm 15 131 13 160
4pm 18 134 11 165
5pm 20 135 17 175
6pm 18 132 13 166
7pm 18 132 12 166
8pm 16 130 8 156
9pm 16 129 6 153
* Delayed more than 10 minutes.
All data above is a median or mean as appropriate.