Your Flight
We analysed more than 5,000 data points along your route from Denver International Airport, Denver to Philadelphia International Airport, Philadelphia.
Southwest Airlines
DEN
PHL
WN1626
Southwest Airlines · Live forecast
DEN
→
PHL
76
Calm Score
"Mostly smooth — one short bumpy section you'll handle."
5h 25m
Duration
1,350 nm
Distance
35,000 ft
Cruise Altitude
VERY HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth
Light
Moderate
Severe
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Beta
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We know turbulence can feel scary — especially on long flights.
This report is built for you: what bumps feel like, when they happen, and why you'll be completely safe. 1 in 3 passengers feel exactly like you.
Right now on your route
Live pilot reports from aircraft flying DEN → PHL
15 pilot reports along this route
4 / 15
Reporting smooth
8 / 15
Light turbulence
3
Moderate or worse
Latest pilot reports
Light
TOL UA /OV TOL180008/TM 1108/FLDURGC/TP CL35/SK B025/TB LGT TURB
7m ago
Smooth
IND UA /OV IND/TM 1105/FL080/TP B38M/TA M12/IC NEG/RM DURC
10m ago
Smooth
MDT UA /OV MDT/TM 1104/FL027/TP E145/SK OVC006-TOP027
11m ago
Light
DAY UA /OV ROD155028/TM 1102/FL210/TP B738/TB OCNL LGT CHOP/IC NEG
13m ago
Light
PKB UA /OV JPU230020/TM 1101/FL410/TP B737/TB CONS LGT CHOP 400 INTMT 410
14m ago
AI-powered flight briefing
5,000 data points analyzed
· VERY HIGH confidence
Your Journey Beta
Some bumpy patches are scattered throughout the flight. Keep your seatbelt fastened when seated.
Your route takes you over the Rocky Mountains and over the Appalachian Mountains – these areas can sometimes cause light turbulence.
Mostly Smooth
Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.
Takeoff
Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.
Winds Aloft
Winds at cruising altitude are about 86 knots. These winds are favorable and may get you there a few minutes early.
Landing
Landing should feel a bit bumpy on descent with typical approach conditions.
You're in Safe Hands
If you feel nervous at any point, remember that turbulence is expected, safe, and part of normal flying. The crew is monitoring everything, and the aircraft is built to handle far more than anything you will feel. Have a safe and calm flight.
Relaxation Exercises
ZeroTurb Index (ZTI): Powered by our turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity. Learn more
Flight Timeline 5h 25min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:30
Light
1:30-2:00
Light
2:00-2:30
Light
2:30-2:59
Light
2:59-3:28
Moderate
3:28-3:57
Moderate
3:57-4:26
Moderate
4:26-4:55
Moderate
Landing
Light
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Airport conditions
Live weather at departure and arrival
DEN
Denver International Airport — Departure
Wind
7 kt (40°)
Sky
Broken
Temperature
-14°C
Conditions
VFR — Clear conditions, no delays expected
PHL
Philadelphia International Airport — Arrival
Visibility
9 mi
Wind
20 kt G30 (270°)
Sky
Broken
Temperature
16°C
Conditions
IFR — Low visibility, delays likely
Your flight details
Departure timing and aircraft information
Evening Flight Departure
Time of day
Evening Flight
Tip
Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.
When
Today
a321
Category
Narrow-Body Aircraft
Size
Medium
Comfort
Single-aisle mainline jets like this offer a comfortable ride. While you may feel turbulence more than on wide-body aircraft, they are engineered to handle it smoothly.
Data sources & our approach
ZeroTurb's Custom Algorithm: Our proprietary
ZeroTurb Index (ZTI) combines three meteorological indices weighted by their
predictive accuracy — giving you transparent, passenger-focused turbulence probability instead
of vague categories.
This forecast integrates data from:
- ECMWF Open Data — Global atmospheric model (wind/temperature at 13 flight levels)
- NOAA Aviation Weather Center — Pilot Reports (PIREPs), SIGMETs/AIRMETs, TAFs
- NOAA Space Weather Prediction Center — Aurora forecasts for polar routes
- AviationStack API — Flight schedules and airline operational data
Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.