The flight time from Philadelphia to Denver is 4 hours, 3 minutes. See Data as Tables

Average Timeline

Leaves PHL Philadelphia, PA 1 minute early.
16 minutes taxiing out
3 hours, 35 minutes in the air
9 minutes taxiing in
Arrives DEN Denver, CO 8 minutes early.

Flight Reliability By Airline ?

United
91%
Southwest
83%
American
78%
Frontier
67%
Cancelled
Delayed*
Normal

Flight Summary

The flight time from Philadelphia to Denver is 4 hours, 3 minutes. The time spent in the air is 3 hours, 35 minutes.

The flight distance from Philadelphia to Denver is 1558 Miles.

Reverse Journey

Denver to Philadelphia
3 hours, 27 minutes

Flight Time By Airline ?

Southwest
3h 57m
United
4h 3m
American
4h 5m
Frontier
4h 13m
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

57

Distance

1558 Miles

Flights By Month ?

JFMAMJJASOND0100200300

Flights By Day of Week ?
(Average)

MonTueWedThuFriSatSun02468

Flights By Airline ?
(Per Week)

United
18
American
16
Southwest
14
Frontier
7

Frequently Asked Questions

How far is Philadelphia from Denver by plane?

The distance from Philadelphia to Denver by plane is 1558 Miles. This is the air distance on the most direct route taken by the vast majority of flights.

How long is the flight from Philadelphia to Denver?

The flight time from Philadelphia to Denver is 4 hours, 3 minutes. The time spent in the air is 3 hours, 35 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 3 hours, 57 minutes, and Frontier the slowest taking 4 hours, 13 minutes.

What airlines fly from Philadelphia to Denver?

Frontier, Southwest, American, and United are the airlines with direct flights from Philadelphia to Denver.

Does Southwest fly from Philadelphia to Denver?

Yes! Southwest does fly from Philadelphia (PHL) 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 Philadelphia 1 minute early
Taxi Out Time 16 minutes
In the Air 215 minutes
Taxiing In 9 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 20 minutes. For example, from Philadelphia to Denver, 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
United 91% 8% 1%
Southwest 83% 17% 0%
American 78% 21% 1%
Frontier 67% 30% 3%

Flight Time By Airline Flight Time By Airline Chart

Each airline takes a different amount of time to fly between Philadelphia 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 12 216 7 237
United 15 216 9 243
American 21 212 9 245
Frontier 17 215 15 253

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
1pm 0.51
6am 0.23
4pm 0.17
5am 0.37
9pm 0.01
10am 0.84
6pm 0.45
11am 0.4
12pm 0.08
8am 0.96
5pm 0.18
8pm 0.85
2pm 0.09
3pm 1.26
7am 0.73
7pm 0.48
9am 0.43

Flights By Month Flights By Month Chart

The quantity of flights from Philadelphia 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 198
February 156
March 199
April 258
May 285
June 296
July 309
August 296
September 281
October 250
November 219
December 222

Flights By Day Of Week Flights By Day of Week Chart

The quantity of flights from Philadelphia 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 8.69
Tuesday 7.96
Wednesday 8.02
Thursday 8.48
Friday 8.56
Saturday 7.21
Sunday 8.17

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 0
American 0
Southwest 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
(minutes)
In the Air
(minutes)
Taxi In
(minutes)
Total
(minutes)
1pm 14 214 8 240
6am 14 224 7 246
4pm 12 222 7 241
5am 12 215 6 232
9pm 19 227 9 256
10am 16 211 8 238
6pm 22 211 9 245
11am 17 208 8 236
12pm 12 212 7 234
8am 16 212 9 242
5pm 16 211 8 240
8pm 17 218 14 253
2pm 11 224 7 246
3pm 14 219 9 247
7am 13 220 8 245
7pm 25 213 8 249
9am 20 214 8 245
* Delayed more than 20 minutes.
All data above is a median or mean as appropriate.