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

1,262 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s IAD → CLT flights land within a few points of 78% on time whatever the hour.

Best time to leave 12–1 pm 81% arrive on time from IAD

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).

IAD

% 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.

No United flight on this route ran 150+ times in the year.

All 4 United 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.


UA 4063flown by Mesa	IAD 08:15	CLT 09:45	1h 30m	61	62%	0.0%	29 min
UA 6239flown by Mesa	IAD 12:43	CLT 14:12	1h 29m	138	78%	1.4%	62 min
UA 6209flown by Mesa	IAD 17:20	CLT 19:02	1h 42m	129	73%	5.4%	56 min
UA 6234flown by Mesa	IAD 22:24	CLT 23:59	1h 35m	132	68%	3.0%	66 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.


United	IAD	CLT	1h 37m	78%	2.1%	1,262	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