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Showing United only (incl. its regional partners)All airlines ×
247 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s CHA → IAH flights land within a few points of 64% on time whatever the hour.

Best time to leave 4–5 pm 65% arrive on time from CHA

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).

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% 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 3 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 5019flown by SkyWest CHA 07:00 IAH 08:23 2h 23m 24 75% 0.0% 57 min
UA 5086flown by SkyWest CHA 07:00 IAH 08:23 2h 23m 99 62% 0.0% 126 min
UA 5047flown by SkyWest CHA 16:42 IAH 18:10 2h 28m 72 65% 0.0% 86 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 CHA IAH 2h 28m 64% 0.4% 247 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