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

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

No clear winner: airports and hours on this route all land within a few points of 7 in 10 on time.

Best time to leave 6–7 am 96% arrive on time from MIA

Best single flight F9 1067 MIA 06:30 → IAH 08:24 · 85% 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).

MIA

FLL

% 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.


F9 1067	MIA 06:30	IAH 08:24	85%

All 2 Frontier 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.


F9 1067	MIA 06:30	IAH 08:24	2h 54m	170	85%	3.5%	91 min
F9 1495	FLL 12:56	IAH 14:50	2h 54m	127	49%	3.1%	79 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.


Frontier	MIA	IAH	2h 54m	83%	4.0%	176	Flying now
Frontier	FLL	IAH	2h 54m	50%	3.0%	134	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