The flight time from Boston to St. Louis is 2 hours, 58 minutes. See Data as Tables

Average Timeline

Leaves BOS Boston, MA 2 minutes early.
16 minutes taxiing out
2 hours, 33 minutes in the air
6 minutes taxiing in
Arrives STL St. Louis, MO 4 minutes early.

Flight Reliability By Airline ?

American
87%
Southwest
79%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Boston to St. Louis is 2 hours, 58 minutes. The time spent in the air is 2 hours, 33 minutes.

The flight distance from Boston to St. Louis is 1047 Miles.

Reverse Journey

St. Louis to Boston
2 hours, 28 minutes

Flight Time By Airline ?

Southwest
2h 52m
American
3h 4m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM1h2h3h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM0.00.51.01.52.0

Flights Per Week

28

Distance

1047 Miles

Flights By Month ?

JFMAMJJASOND050100

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun012345

Flights By Airline ?
(Per Week)

Southwest
15
American
12

Frequently Asked Questions

How far is Boston from St. Louis by plane?

The distance from Boston to St. Louis by plane is 1047 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from Boston to St. Louis?

The flight time from Boston to St. Louis is 2 hours, 58 minutes. The time spent in the air is 2 hours, 33 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 2 hours, 52 minutes, and American the slowest taking 3 hours, 4 minutes.

What airlines fly from Boston to St. Louis?

American and Southwest are the airlines with direct flights from Boston to St. Louis.

Does Southwest fly from Boston to St. Louis?

Yes! Southwest does fly from Boston (BOS) to St. Louis (STL). On average, they have 15 flights per week on this route. This may vary seasonally, please check the chart above for more details.

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 153 minutes
Taxiing In 6 minutes
Arrives St. Louis 4 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 20 minutes. For example, from Boston to St. Louis, Southwest is 79% reliable, which means that Southwest flights are on time 79% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
American 87% 12% 1%
Southwest 79% 21% 0%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Boston and St. Louis, 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
(minutes)
In the Air
(minutes)
Taxiing In
(minutes)
Total
(minutes)
Southwest 14 150 5 172
American 18 157 6 184

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
6am 0.25
7pm 0.33
3pm 0.05
8am 0.1
1pm 0.13
9am 0.01
4pm 0.25
12pm 0.51
5pm 0.14
10am 0.08
6pm 0.45
11am 0.22
2pm 0.01
7am 1.45

Flights By Month Flights By Month Chart

The quantity of flights from Boston to St. Louis 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 107
February 98
March 115
April 100
May 110
June 110
July 133
August 149
September 141
October 147
November 122
December 126

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Boston to St. Louis 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 4.25
Tuesday 4.33
Wednesday 4.33
Thursday 4.27
Friday 4.29
Saturday 2.54
Sunday 4.04

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
Southwest 0
American 0

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
(minutes)
In the Air
(minutes)
Taxi In
(minutes)
Total
(minutes)
6am 14 157 6 180
7pm 14 147 6 168
3pm 12 150 4 173
8am 15 149 6 169
1pm 12 152 6 171
9am 18 162 7 188
4pm 20 150 7 179
12pm 16 156 6 179
5pm 14 160 4 184
10am 15 160 6 181
6pm 14 152 6 174
11am 16 152 7 178
2pm 11 144 6 164
7am 17 153 6 179
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.