Showing Delta only (incl. its regional partners)All airlines ×

944 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 77%.

Best time to leave 9–10 am 91% arrive on time from SEA

Best single flight DL 739 SEA 07:15 → AUS 13:24 · 90% on time Avoid DL 848 SEA 17:50 → AUS 23:56 · 75% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

SEA

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


DL 739	SEA 07:15	AUS 13:24	90%
DL 831	SEA 11:04	AUS 17:18	79%
DL 848	SEA 17:50	AUS 23:56	75%

All 3 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


DL 739	SEA 07:15	AUS 13:24	4h 09m	281	90%	0.7%	81 min
DL 831	SEA 11:04	AUS 17:18	4h 14m	353	79%	1.7%	66 min
DL 848	SEA 17:50	AUS 23:56	4h 06m	305	75%	0.7%	69 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


Delta	SEA	AUS	4h 09m	81%	1.2%	944	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON