Flight time & jet lag: Phoenix to Denver
Phoenix (PHX) → Denver (DEN) · 968 km (601 mi) · short haul · intra north america
The flight from Phoenix (PHX) to Denver (DEN) takes approximately 1h 47m to 2h 19m over a distance of 968 km. Both cities share the same time zone offset, so jet lag is not a concern. Travel fatigue from the short-haul journey is the main consideration.
- Route:
- Phoenix (PHX) → Denver (DEN)
- Distance:
- 968 km (601 mi)
- Flight time:
- 1h 47m to 2h 19m gate-to-gate
- Time difference:
- Same time zone
- Jet lag severity:
- light (0 zones crossed)
- Recovery time:
- None needed
- Direction:
- north-south
- Route type:
- short-haul, intra north america
- Origin timezone:
- America/Phoenix
- Destination timezone:
- America/Denver
Phoenix to Denver: Route overview
This short-haul route from Phoenix (PHX) to Denver (DEN) covers 968 km in approximately 1h 47m to 2h 19m. Since Phoenix and Denver share effectively the same UTC offset, jet lag is not a factor, though the travel time itself can cause fatigue. The route transitions between subtropical and temperate climate zones, so expect a significant change in daylight duration and intensity that influences your circadian adjustment strategy.
What makes the Phoenix–Denver route different
This route is unusual in that it covers a substantial distance (968 km) without crossing time zones. The main challenge is travel fatigue from the short-haul flight rather than circadian disruption, making recovery straightforward — usually within 24 hours.
Arrival strategy for Denver
Arriving in Denver without a time zone change means your body clock is aligned with the local schedule. Focus on staying hydrated during the flight, eating a meal on arrival at a local mealtime, and getting moderate physical activity to counter travel fatigue. Most people feel fully recovered after one good night's sleep.
Circadian rhythm analysis: Phoenix → Denver
Your circadian rhythm remains synchronized with the local day-night cycle in Denver since there is no time zone difference. The primary challenge is travel fatigue from the 1h 47m to 2h 19m flight. Maintain your normal sleep schedule and prioritize hydration.
Pre-departure preparation
With minimal time zone change, no pre-departure sleep adjustment is necessary for this Phoenix to Denver route. Focus instead on arriving well-rested: maintain your normal sleep schedule in the days before travel, stay hydrated, and avoid alcohol on the flight.
Your first 72 hours in Denver
Day 1: Arrive in Denver and follow local time immediately. Eat meals at normal local hours and get outside in daylight. Day 2: You should feel fully adjusted. Resume normal activities. Day 3: No residual effects expected.
Recovery timeline
No jet lag recovery needed for this Phoenix to Denver route as both cities share the same time zone offset. Any fatigue should resolve after one night of good sleep.
Route Planner
Adjust departure date for DST-accurate results.
Business hours: Phoenix vs Denver
Phoenix and Denver share 9 overlapping business hours, providing a reasonable window for scheduling calls and meetings. The most productive overlap falls between 09:00 and 17:00 in Phoenix (09:00–17:00 in Denver).
| Phoenix | Denver |
|---|---|
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
- 09:00 Phoenix / 09:00 Denver
- 13:00 Phoenix / 13:00 Denver
Seasonal and climate factors
Short-haul flight times on this short-haul route are less affected by seasonal wind patterns, though winter weather can cause delays at both Phoenix and Denver airports. Denver at 40°N experiences moderate seasonal daylight variation. Summer offers longer evenings useful for westward adjustment, while winter's earlier sunsets support eastward adjustment schedules.
How the Phoenix–Denver flight time is estimated
The 1h 47m to 2h 19m estimate for Phoenix to Denver is derived from the 968-km great-circle distance. As a short-haul route, a larger proportion of flight time is spent climbing and descending rather than at optimal cruise altitude, resulting in a lower effective speed of 650–750 km/h. An additional 30–50 minutes accounts for taxi, takeoff, climb, descent, approach, and taxi at both PHX and DEN. Actual routing through controlled airspace may add 3–8% distance beyond the great-circle path due to air traffic corridors and restricted zones along the way.
Wind patterns and flight duration
On this short 968-km route, wind effects are relatively minor compared to the fixed overhead of taxi, takeoff, and landing. The main variable in flight time is airport congestion and weather at PHX and DEN.
Practical travel context
This short-haul route connects Phoenix (United States) with Denver (United States).
Frequently asked questions: Phoenix to Denver
How long is the flight from Phoenix to Denver?
What is the time difference between Phoenix and Denver?
How bad is jet lag flying from Phoenix to Denver?
Can I minimize jet lag on the Phoenix to Denver route?
Is it better to fly during the day or at night from Phoenix to Denver?
How long does jet lag last from Phoenix to Denver?
What about the return flight from Denver to Phoenix?
More questions about this route
Should I adjust my schedule before flying from Phoenix to Denver?
What are the best business hours to schedule meetings between Phoenix and Denver?
How is the Phoenix to Denver flight time calculated?
Assumptions & notes
- Flight time based on Haversine great-circle distance (968 km) with speed heuristics.
- Cruise speed: 650–750 km/h + 30–50 min ground/air overhead.
- Time difference is approximate and may shift during DST transitions.
- Jet lag plan is general wellness guidance, not medical advice.
- Route: PHX (America/Phoenix) → DEN (America/Denver)