1,980 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 7–8 am 89% arrive on time from DFW

Best single flight UA 2639 DFW 07:20 → IAD 11:26 · 90% on time Avoid UA 1240 DFW 17:15 → IAD 21:24 · 79% 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).

DFW

% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


United (incl. Mesa, Republic)	961	84%	1.1%	85 min
Frontier	169	84%	3.0%	75 min
American	850	71%	2.9%	75 min

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.


UA 2639	DFW 07:20	IAD 11:26	90%
UA 358	DFW 12:25	IAD 16:31	86%
F9 3208	DFW 11:20	IAD 15:33	84%
UA 1240	DFW 17:15	IAD 21:24	79%

All 7 flights on this route →

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.


United	DFW	IAD	3h 06m	84%	1.1%	961	Flying now
Frontier	DFW	IAD	3h 13m	84%	3.0%	169	Flying now
American	DFW	IAD	2h 58m	71%	2.9%	850	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