8:15backup — relaxed
Earlier train if you want coffee airside · arrives DEN 8:52
8:30recommended
Board A Line at Union Station (under the hotel)
Every 15 min on :00/:15/:30/:45 · 37-min ride · buy on RTD app before boarding
9:07
Arrive DEN transit center → security → Gate A48
~70 min buffer with PreCheck · A gates via pedestrian bridge
10:19
Boarding begins · Gate A48 · Zone 5
10:59
DL0346 departs — nonstop, 3h
3:48ET
Land ATL (showing early; was 3:59)
Plane Train → Domestic Terminal → MARTA · ~25–35 min with carry-ons
4:30
Board MARTA Red Line — confirm "North Springs," not Gold/Doraville
Trains start here, usually waiting at the platform · $2.50 Breeze Mobile
5:13
Arrive North Springs