The flight time from Boston to Denver is 4 hours, 29 minutes. See Data as Tables

Average Timeline

Leaves BOS Boston, MA 1 minute early.
16 minutes taxiing out
4 hours, 2 minutes in the air
8 minutes taxiing in
Arrives DEN Denver, CO 10 minutes early.

Flight Reliability By Airline ?

United
87%
Southwest
82%
Delta
81%
JetBlue
78%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Boston to Denver is 4 hours, 29 minutes. The time spent in the air is 4 hours, 2 minutes.

The flight distance from Boston to Denver is 1754 Miles.

Reverse Journey

Denver to Boston
3 hours, 48 minutes

Flight Time By Airline ?

Southwest
4h 26m
JetBlue
4h 28m
United
4h 29m
Delta
4h 36m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM1h2h3h4h
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM0.00.51.01.52.0

Flights Per Week

68

Distance

1754 Miles

Flights By Month ?

JFMAMJJASOND0100200300

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun0246810

Flights By Airline ?
(Per Week)

United
35
Southwest
14
JetBlue
10
Delta
8

Frequently Asked Questions

How far is Boston from Denver by plane?

The distance from Boston to Denver by plane is 1754 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 Denver?

The flight time from Boston to Denver is 4 hours, 29 minutes. The time spent in the air is 4 hours, 2 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 4 hours, 26 minutes, and Delta the slowest taking 4 hours, 36 minutes.

What airlines fly from Boston to Denver?

United, Southwest, Delta, and JetBlue are the airlines with direct flights from Boston to Denver.

Does Southwest fly from Boston to Denver?

Yes! Southwest does fly from Boston (BOS) to Denver (DEN). On average, they have 14 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 1 minute early
Taxi Out Time 16 minutes
In the Air 242 minutes
Taxiing In 8 minutes
Arrives Denver 10 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 Denver, Southwest is 82% reliable, which means that Southwest flights are on time 82% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 87% 11% 2%
Southwest 82% 17% 1%
Delta 81% 18% 1%
JetBlue 78% 22% 0%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Boston and Denver, 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 13 244 7 266
JetBlue 18 240 9 268
United 16 241 9 269
Delta 21 242 10 276

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
5pm 0.19
6am 0.45
8am 0.76
5am 0.48
11am 0.86
6pm 0.23
12pm 0.15
7am 1.86
2pm 0.33
7pm 0.33
4pm 0.88
3pm 1.16
9am 0.61
8pm 0.9
1pm 0.19
10am 0.21

Flights By Month Flights By Month Chart

The quantity of flights from Boston to Denver 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 247
February 222
March 259
April 253
May 312
June 364
July 387
August 357
September 314
October 318
November 253
December 274

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Boston to Denver 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 10.15
Tuesday 9.25
Wednesday 10.02
Thursday 10.19
Friday 10.31
Saturday 8.96
Sunday 9.58

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 1
Southwest 0
JetBlue 0
Delta 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)
5pm 16 237 6 264
6am 16 246 7 269
8am 20 237 9 269
5am 12 242 6 262
11am 15 242 8 265
6pm 18 240 8 270
12pm 13 236 6 254
7am 19 244 10 276
2pm 12 247 7 268
7pm 16 240 8 267
4pm 17 243 9 272
3pm 15 245 10 273
9am 15 241 8 265
8pm 18 237 8 265
1pm 15 238 7 262
10am 14 233 6 255
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.