Opening my Uber Eats app showed this promo - free delivery from subway, today (12/30) only, with $15 minimum using code SUBWAY18. Don't know if this is targeted, so YMMV.
Oddly, terms say available until "11:55 PST" but without AM/PM. Since it says "Today only", hopefully it's 11:55 PM PST.
"Get your favorite sub, chips and drink delivered for free! Today only, order with code SUBWAY18 for free delivery on your Subway order of $15 or more. Promotion valid only on 12/30/18 until 11:55 PST. Valid only at participating Subway locations. Limit one promotion per user. Order must include $15.00 before taxes and fees. Promotion only covers booking fee but not food, drink, other order items, or tips. Must enter promo code SUBWAY18 at checkout to receive discount."