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

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

No clear winner: Delta’s LAX → DFW flights land within a few points of 85% on time whatever the hour.

Best time to leave 8–9 am 88% arrive on time from LAX

Best single flight DL 521 LAX 07:35 → DFW 12:48 · 88% on time Avoid DL 420 LAX 18:53 → DFW 23:59 · 82% 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).

LAX

% 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 521	LAX 07:35	DFW 12:48	88%
DL 420	LAX 18:53	DFW 23:59	82%

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 521	LAX 07:35	DFW 12:48	3h 13m	353	88%	2.0%	84 min
DL 948	LAX 13:50	DFW 19:04	3h 14m	29	86%	0.0%	22 min
DL 420	LAX 18:53	DFW 23:59	3h 06m	358	82%	1.4%	82 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	LAX	DFW	3h 13m	85%	1.6%	740	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