Can anyone confirm whether or not the DL official policy on this matter has changed since 10/21?

An update pointing to the current DL source (KM or whatever) would be handy info to have.

it's literally at the top of this page and every page in this thread

I posted this originally. The verbiage is no longer in KM. I have pushed back on this since and have had agents confirm the wording has been completely removed.

KM updates, maybe?
 

Utskicat, I've printed your post and quoted it with good results several times.
My experience in early December: Phoned in to PM (at that time) line, young agent said no, I quoted it slowly, he read it to himself, put me on hold for a few minutes, than came back and said, "Wow, nobody here knows this, but it's right there in the KM"! I got the change to a decent domestic 763.
Perhaps it was changed at 1/1/25, but I wonder if some KM versions don't get updated.

Just had a successful experience today. LAX-JFK booked in PS with RUC space available at booking.

About to call to SDC and notice the certs weren’t pulled nor the ticket reissued. No worries. Agent did it.

Then wanted to SDC. Three agents and a supervisor all clearly didn’t understand the concept of a post clear, post reissue RUC SDC.

Called back for a fourth time to ask again. Started with the following: can you please pull up the KM related to RUCs and SDC. Asked to review the rules and the agent said: you are absolutely correct. He processed the SDC and check in on the new flight complete.

It’s maddening to have to jump through these hoops.

Also just had a successful experience on JFK-LAX where RUC cleared into Delta One ahead of time. Website and app didn’t work, but the first agent that picked up had no hesitation moving me into a same-day flight while keeping me in Delta One (and didn’t even need me to suggest looking at the KM).

I would suggest you go buy a lottery ticket immediately.

I'm flying transcon in domestic F today (cleared RUC at booking) and wanted to switch to something earlier. The app wouldn't even let me get to the SDC screen; the website showed limited options that were a subset of the available options shown in a new test booking in F, and of the options it did show, none of them showed regional availability, so I have no idea what rules it's evaluating /shrug but I was able to switch to something earlier. Coincidentally the same routing, though I'm not sure if that was one of the mystery black-box rules (I checked at multiple points both yesterday and this morning and availability was fluctuating a lot, I'm sure due to weather stuff going on)

The SDC seems to have been a revalidate, not a reissue (same ticket numnber) but it shows C now instead of OL.

App hasn't even displayed me the 'Same day Change' button lately since the stupid un-bundling differentiation and worse UI. Only way I can SDC if I want to is call or go through the website.

​​​​​For me on Android, it doesn't show up on the manage your trip screen; it only shows up on the boarding pass screen, i.e. the tab at the bottom that you tap and it pulls up. Or alternatively if you haven't checked in yet, you can get to it if you begin the check-in flow, which you can then X out of and confirm you want to cancel without checking in.

It is back in
 

Just did this a few days ago on a confirmed RUC.

I got a good agent from Chisholm, MN (iykyk). It IS still in the KM. The agent should look under the GUC/RUC section of “Day of Travel” section.

Apparently the text is unambiguously clear. The Res agent told me that the KM states that if the upgrade request has been confirmed AND TICKETED into the upgraded booking class, it is as if the customer has PURCHASED the upgrade and thus are now ticketed in the upgraded cabin.

This means the change IS eligible for SDC based on cabin availability, NOT upgrade inventory.

So question there would be... does that mean you need to get an agent to use the 'old' method to apply a cert and reissue the ticket, and not the new 'easy' button which re-validates the ticket and confirms an upgrade, but doesn't do a full reissue?

A revalidated ticket is an issued ticket. It is just that the ticket has been updated. (This see.s strange, but is how it works with airline tickets) If agent looks at ticket it should show yo them as revalidated. Problem is yiu as passenger have nothing to show that proves this, it is all done in system and what you see is the ticket as issued before revaludation.

In case helpful, another data point. Several years platinum or higher and this has to have been the easiest it’s ever been for me with RUCs. I’ve referenced this and the other RUC thread many times over those years, so hope to contribute as much info as possible in case it provides value and/or clarity for others in the future.

Flying LAX-JFK and booked last minute, just a touch over 25 hours in advance. Flight I booked showed as “D1 available for RUC” at the time of booking and I booked through the app. Took about 5 minutes post-booking to receive the email confirming my upgrade from PS (A fare) to D1 (OX fare) and likewise to see my new seat reflected in-app.

I had intentionally booked a flight where the RUC would clear with the intention of SDC to a later flight so that I could fly the 767-4 vs. the 767-3.

I waited until just under 24 hours from the time of departure for the later flight I wanted, called into the Plat line, and in under 4 minutes I was confirmed into a D1 seat on the later flight (now showing a C fare). No charge, no hassle, no need to reference KM.

When I called in, I told the agent I booked PS and confirmed to D1 via RUC so the app was not allowing me to change (which was true, SDC in-app continues to be broken when using RUCs even when correctly re-ticketed). She confirmed I was re-ticketed into D1, she saw cabin availability for the later flight I wanted, and told me she selected a seat and I received an email itinerary. No hold time.

So, perhaps I should also buy a lottery ticket. It would appear that D1 SDC, even when “purchased” via instrument upgrade (e.g., RUC), is subject to “cabin availability” rather than “upgrade availability.” And, the recent SDC policy changes reflected in website copy (about only switching to earlier flights) does not apply, at least in the case of a D1 fare.

This is what is in the KM.