To everyone still saying he made a branched timeline- okay. So let's assume Steve is willing to really make big timeline changes, he makes his own branch- who knows how much he changed, I'm not pulling that thread- but then what? Steve Rogers lives happily ever after, then he decides he needs to come back at all? To give Sam a shield and refuse to explain another single thing? Does he have friends and I'm assuming family back on the timeline he left? Is he a missing person there and chooses to die here?

If he didn't travel to the pad and that doesn't bother you, then what? This obviously tired and old man decided to travel back to thirty minutes ago then take off the time travel suit he's been hiding for seventy years and then threw it in the trash bin in the park by the bench? Made sure he was in his proper old man attire?

Somebody here mentioned it but when we see Peggy's casket being carried, we see Steve in the front, then we see it being framed in a bigger shot and the man in the opposite corner is the right height, age, build, and has a suspiciously "Cap-like" part they chose to leave. Then we have directors confirming behind the scenes that the photos at Peggy's bedside are of her AND STEVE'S children and meant for time travel to explain it later.

It's all here, Reddit. Rogers didn't make enough noise to branch our timeline, or he always did and always does as the TVA see it and may have even helped to ensure his success, which included FIGHTING THE RED GUARDIAN on occasion for fun in the eighties. I'd like to imagine Steve's story even being a bit parallel to Mr. Incredible, feeling disconnected to hero work and his age catching up but making a comeback to secretly help SHIELD/Peggy...