The flight time from Seattle to Denver is 2 hours, 32 minutes. See Data as Tables

Average Timeline

Leaves SEA Seattle, WA 3 minutes early.
17 minutes taxiing out
2 hours, 6 minutes in the air
7 minutes taxiing in
Arrives DEN Denver, CO 8 minutes early.

Flight Reliability By Airline ?

United
92%
SkyWest
92%
Delta
91%
Alaska
89%
Frontier
88%
Southwest
87%
Cancelled
Delayed*
Normal

Reverse Journey

Denver to Seattle
2 hours, 52 minutes

Flight Time By Airline ?

Southwest
2h 29m
United
2h 31m
Alaska
2h 33m
Frontier
2h 33m
Delta
2h 34m
SkyWest
2h 43m
Taxiing Out
Air Time
Taxiing In

Flight Time by Time of Day ?

12AM06AM12PM06PM 30m1h1h 30m2h2h 30m
Taxiing Out
Air Time
Taxiing In

Flights By Time of Day ?
(Average)

12AM06AM12PM06PM01234

Flights Per Week

128

Distance

1024 Miles

Flights By Month ?

JFMAMJJASOND0200400600

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun05101520

Flights By Airline ?
(Per Week)

Alaska
33
United
30
Southwest
29
Delta
15
Frontier
11
SkyWest
10

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 Seattle 3 minutes early
Taxi Out Time 17 minutes
In the Air 126 minutes
Taxiing In 7 minutes
Arrives Denver 8 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 Seattle to Denver, Southwest is 87% reliable, which means that Southwest flights are on time 87% of the time, and cancelled or delayed the remaining time.

Airline Normal Flights Arrival Delayed* Flight Cancelled
United 92% 8% 0%
SkyWest 92% 8% 0%
Delta 91% 9% 0%
Alaska 89% 11% 0%
Frontier 88% 12% 0%
Southwest 87% 13% 0%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Seattle 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 16 125 6 149
United 17 126 7 151
Alaska 19 126 7 153
Frontier 15 126 10 153
Delta 17 127 7 154
SkyWest 22 132 7 163

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 0.14
5am 1.71
6am 1.21
7am 1.45
9am 0.98
10am 1.95
11am 1.21
12pm 0.43
1pm 2.09
2pm 0.28
3pm 3.33
5pm 0.76
6pm 0.63
7pm 1.44
9pm 0.5

Flights By Month Flights By Month Chart

The quantity of flights from Seattle 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 437
February 397
March 531
April 540
May 575
June 661
July 679
August 692
September 605
October 568
November 496
December 484

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Seattle 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 19.3
Tuesday 18.1
Wednesday 19
Thursday 19
Friday 19.1
Saturday 15.9
Sunday 17.8

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
Alaska 33
United 30
Southwest 29
Delta 15
Frontier 11
SkyWest 10

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)
0am 12 127 9 151
5am 14 127 6 147
6am 18 125 7 150
7am 21 127 7 158
9am 20 127 7 155
10am 20 127 7 155
11am 17 127 6 151
12pm 20 129 7 156
1pm 18 127 7 152
2pm 17 125 7 150
3pm 18 127 7 155
5pm 17 124 7 149
6pm 13 125 9 150
7pm 16 126 7 150
9pm 18 125 6 149
* Delayed more than 10 minutes.
All data above is a median or mean as appropriate.