AIM Text
A clearance for a specific type of approach (ILS, RNAV, GLS, ADF, VOR or Visual Approach) to an aircraft operating on an IFR flight plan does not mean that landing priority will be given over other traffic. ATCTs handle all aircraft, regardless of the type of flight plan, on a “first-come, first-served” basis. Therefore, because of local traffic or runway in use, it may be necessary for the controller in the interest of safety, to provide a different landing sequence. In any case, a landing sequence will be issued to each aircraft as soon as possible to enable the pilot to properly adjust the aircraft's flight path.
Source: FAA Aeronautical Information Manual · current edition · paragraph 5-4-26.
The short answer
This AIM section is FAA advisory guidance clarifying that an approach clearance does not grant landing priority. Air Traffic Control Towers handle all aircraft, regardless of flight plan type, on a first-come, first-served basis. Because of local traffic or the runway in use, a controller may issue a different landing sequence in the interest of safety. It supports orderly ATCT traffic management under 14 CFR 91.
Research Notes
Common Questions
Does an approach clearance give me landing priority?
No. The AIM states a clearance for a specific type of approach (ILS, RNAV, GLS, ADF, VOR or Visual Approach) to an aircraft on an IFR flight plan does not mean landing priority will be given over other traffic. ATCTs handle all aircraft, regardless of the type of flight plan, on a first-come, first-served basis.
Why might the tower change my landing sequence?
Per the AIM, because of local traffic or the runway in use, it may be necessary for the controller, in the interest of safety, to provide a different landing sequence. In any case, a landing sequence will be issued to each aircraft as soon as possible to enable the pilot to properly adjust the aircraft's flight path.
Does flying IFR put me ahead of VFR traffic for landing?
No. The AIM is clear that ATCTs handle all aircraft regardless of the type of flight plan on a first-come, first-served basis. An IFR approach clearance does not place an aircraft ahead of other traffic; the controller sequences for safety based on local traffic and the runway in use.