YV3999Mesa Airlines · ATL → IAH
live · 9m ago
Route confirmed Mesa Airlines

YV3999 AtlantaATL HoustonIAH

YV3999 by Mesa Airlines flies from Atlanta (ATL) to Houston (IAH).

Right nowNext departure today Operates daily
20:00

scheduled from ATL

The route today

live boards
ATLAtlantaOn-time likelyATL delay board →
IAHHoustonOn-time likelyIAH delay board →
ATL→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
25%Chance of 15+ min delay
1.1%Chance of cancellation
-2 minTypical airport delay in this weather

Conditions at ATL and IAH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at ATL

Forecast

Mon 9 Nov, local date

High22°Clikely 19°C to 23°C
Low7°Clikely 5°C to 9°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at IAH

Forecast

Mon 9 Nov, local date

High21°Clikely 18°C to 24°C
Low14°Clikely 12°C to 16°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Atlanta to Houston flights today

same route · Mesa Airlines
YV4037departs 14:00
YV3987departs 16:17

If YV3999 is cancelled, these are the other Mesa Airlines nonstop flights from Atlanta to Houston on the same day, with scheduled departure times in ATL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How YV3999 actually runs

Pro Flight Search has tracked every published board update for YV3999 across the ATL and IAH boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at ATL and IAH.

The verdict above is that record speaking, so it reflects how YV3999 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: YV3999 Atlanta to Houston on-time performance, measured from the ATL and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/YV3999
How we measure this →