Delta Air Lines IAD MDW DL8921
Delta Air Lines · Live forecast
IAD → MDW
DL8921 · Apr 17, 2026 · 11:00
88
Calm Score
"A smooth ride ahead — sit back and enjoy."
0h 29m
Duration
501 nm
Distance
30,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe

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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 IAD → MDW
6 pilot reports along this route
5 / 6
Reporting smooth
0 / 6
Light turbulence
1
Moderate or worse
Latest pilot reports
Smooth
PWK UUA /OV KPWK/TM 1927/FL010/TP C172/RM LLWS +/- 10KTS DURD RWY16
6m ago
Smooth
RFD UA /OV DEBOW/TM 1926/FL070/TP SR20/SK TOP070/RM DURD
7m ago
Smooth
UES UA /OV 2 WEST UES/TM 1925/FL020/TP C25C/TB LOSSES AND GAINS OF 10 KTS ON FINAL
8m ago
Smooth
PWK UA /OV PWK/TM 1907/FL010/TP C55B/RM LLWS +/-5 KT
26m ago
Smooth
DTW UA /OV 5 NW ARB/TM 1903/FL030/TP P28B/SK SCT030
30m ago
AI-powered flight briefing
2,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 2,000 data points along your route from Washington Dulles International Airport, Dulles to Chicago Midway International Airport, Chicago.

Your Journey Beta

Some bumpy patches are scattered throughout the flight. Keep your seatbelt fastened when seated.

Your route takes you over the Appalachian Mountains – conditions there can sometimes cause light turbulence.

Smooth Flight

We're expecting smooth conditions throughout your flight. You can sit back and relax.

Takeoff

Takeoff should feel a bit bumpy initially, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 39 knots. These winds may delay arrival by a few minutes.

Landing

Landing should feel smooth 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
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 29 min
Maximum turbulence expected per segment
Takeoff
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
IAD Washington Dulles International Airport — Departure
Wind
8 kt G17 (330°)
Sky
Scattered
Temperature
27°C
Conditions
VFR — Clear conditions, no delays expected
MDW Chicago Midway International Airport — Arrival
Wind
18 kt G29 (180°)
Sky
Broken
Temperature
26°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Morning Flight Departure
Time of day
Morning Flight
Tip
Morning flights typically experience smoother conditions as the atmosphere is more stable and thermal turbulence hasn't yet developed.
When
Today
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:

Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.