Air carrier flight crew reported windshear on approach causing them to divert.

Attributes
ACN	1602988
Time
Date	201812
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Large Transport Low Wing 2 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Flight Plan	IFR
Person 1
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 114 Flight Crew Type 114
Person 2
Function	Captain Pilot Flying
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 139 Flight Crew Type 1185
Events
Anomaly	Inflight Event / Encounter Weather / Turbulence Inflight Event / Encounter Unstabilized Approach Inflight Event / Encounter Fuel Issue

Narrative:

We were used off field standby to fly from ZZZ. The weather at ZZZ was forecast to be gusty but well within limits. No alternate was planned. Upon arriving at ZZZ the active runway was switched and tower reported strong tailwinds during the arrival that shifted to a headwind at 500-200 ft. The captain conducted the approach and we elected to go around due to wind shear and being unstable. After established on downwind approach informed us that several previous aircraft had also been unable to land. We discussed our options and set a bingo fuel. We elected to divert after the next two aircraft went missed approach. We declared min fuel immediately. We landed uneventfully with 3000 lbs of fuel.

Original NASA ASRS Text

Title: Air carrier flight crew reported windshear on approach causing them to divert.

Narrative: We were used off field standby to fly from ZZZ. The weather at ZZZ was forecast to be gusty but well within limits. No alternate was planned. Upon arriving at ZZZ the active runway was switched and tower reported strong tailwinds during the arrival that shifted to a headwind at 500-200 ft. The Captain conducted the approach and we elected to go around due to wind shear and being unstable. After established on downwind approach informed us that several previous aircraft had also been unable to land. We discussed our options and set a bingo fuel. We elected to divert after the next two aircraft went missed approach. We declared min fuel immediately. We landed uneventfully with 3000 lbs of fuel.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.