The flight time from Atlanta to Denver is 3 hours, 12 minutes. See Data as Tables

Average Timeline

Leaves ATL Atlanta, GA 3 minutes early.
13 minutes taxiing out
2 hours, 49 minutes in the air
7 minutes taxiing in
Arrives DEN Denver, CO 7 minutes early.

Flight Reliability By Airline ?


Flight Summary

The flight time from Atlanta to Denver is 3 hours, 12 minutes. The time spent in the air is 2 hours, 49 minutes.

The flight distance from Atlanta to Denver is 1199 Miles.

Reverse Journey

Denver to Atlanta
2 hours, 43 minutes

Flight Time By Airline ?

3h 10m
3h 10m
3h 15m
3h 17m
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



1199 Miles

Flights By Month ?


Flights By Day of Week ?


Flights By Airline ?
(Per Week)


Frequently Asked Questions

How far is Atlanta from Denver by plane?

The distance from Atlanta to Denver by plane is 1199 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from Atlanta to Denver?

The flight time from Atlanta to Denver is 3 hours, 12 minutes. The time spent in the air is 2 hours, 49 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 3 hours, 10 minutes, and United the slowest taking 3 hours, 17 minutes.

What airlines fly from Atlanta to Denver?

Southwest, United, Delta, and Frontier are the airlines with direct flights from Atlanta to Denver.

Does Southwest fly from Atlanta to Denver?

Yes! Southwest does fly from Atlanta (ATL) to Denver (DEN). On average, they have 25 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 Atlanta 3 minutes early
Taxi Out Time 13 minutes
In the Air 169 minutes
Taxiing In 7 minutes
Arrives Denver 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 20 minutes. For example, from Atlanta to Denver, Southwest is 91% reliable, which means that Southwest flights are on time 91% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 93% 6% 1%
Southwest 91% 8% 1%
Frontier 90% 9% 1%
Delta 90% 9% 1%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Atlanta 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
In the Air
Taxiing In
Southwest 11 170 6 190
Delta 13 167 7 190
Frontier 14 167 10 195
United 13 174 8 197

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
3pm 0.71
6am 0.31
7pm 0.61
5pm 1.35
11am 1.42
10am 0.22
8pm 0.61
6pm 0.68
1pm 0.86
12pm 0.36
2pm 0.81
4pm 0.63
10pm 0.26
9pm 0.62
7am 0.46
8am 1.25
9am 2.28

Flights By Month Flights By Month Chart

The quantity of flights from Atlanta 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 423
February 368
March 488
April 457
May 494
June 243
July 379
August 393
September 409
October 408
November 430
December 467

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Atlanta 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 14.23
Tuesday 12.74
Wednesday 12.72
Thursday 13.7
Friday 14.04
Saturday 12.08
Sunday 14.08

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
Delta 1
Southwest 0
United 0
Frontier 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
In the Air
Taxi In
3pm 12 171 7 192
6am 12 170 6 190
7pm 12 169 6 189
5pm 14 171 7 194
11am 12 171 8 193
10am 15 170 7 196
8pm 14 162 7 185
6pm 13 170 7 193
1pm 12 166 7 187
12pm 11 170 6 188
2pm 13 169 7 190
4pm 12 170 7 190
10pm 14 169 9 195
9pm 14 167 9 193
7am 12 171 7 191
8am 14 169 7 194
9am 13 170 8 194
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.