ON TIMEBOARD

DEN → HSV on time

Denver (Denver, CO) to Huntsville (Huntsville, AL). Every scheduled flight, September 2025 to August 2026.

On time
81%
arrived < 15 min late
Cancelled
0.3%
728 flights
Typical arrival
−7 min
median vs schedule
When late
+76 min
average delay
Flights / day
2
1 airline

81% of flights from Denver to Huntsville arrived on time over the past 12 months. That is about the typical U.S. route. The 10 a.m. departures ran on time 88% of the time; the 5 p.m. ones 73%. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for DEN → HSV: when a flight was late, it was under 45 minutes late 52% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 49 three hours or more; 0.3% were cancelled outright.

Share of all 728 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines72881%0.3%−7 min7.0%+76 minSkyWest

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at DEN). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%10 a.m. departures: 88% on time (344 flights)8810a11 a.m. departures: too few flights (21 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: 73% on time (363 flights)735p
DEN → HSV, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On DEN → HSV, each airline's last flight of the day was cancelled 0.5% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 3.3% of the time (earlier flights: 0.8%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
United Airlines5:45 p.m.0.5%3.3%0.0%first flight 10:15 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (85%). Worst: August (66%).

40%70%100%Jan: 79% on time (187 flights)79JanFeb: 76% on time (167 flights)76FebMar: 83% on time (181 flights)83MarApr: 83% on time (176 flights)83AprMay: 79% on time (183 flights)79MayJun: 73% on time (180 flights)73JunJul: 70% on time (185 flights)70JulAug: 66% on time (186 flights)66AugSep: 85% on time (179 flights)85SepOct: 82% on time (185 flights)82OctNov: 80% on time (177 flights)80NovDec: 85% on time (185 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday10686%0.0%
Tuesday10484%0.0%
Wednesday10482%1.0%
Thursday10379%1.0%
Friday10475%0.0%
Saturday10379%0.0%
Sunday10481%0.0%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 34%Airline (crew, maintenance, ops) 31%Air traffic & airport (NAS) 19%Severe weather 15%

Cancellations: weather 2

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 551410:15 a.m.23888%0.0%−10 minSkyWest
UA 53565:25 p.m.36373%0.5%−3 minSkyWest

Questions

How often are flights from DEN to HSV on time?

81% of 728 scheduled flights from Denver, CO to Huntsville, AL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.3% were cancelled.

What is the best time of day to fly DEN to HSV?

Flights scheduled to leave at 10 a.m. were the most reliable (88% on time). The 5 p.m. departures were the least (73%).

What month has the most delays from DEN to HSV?

August (66% on time). The best month is September (85%), over 2023–2026.

Is the last flight of the day from DEN to HSV more likely to be cancelled?

Yes. Each airline's last DEN–HSV flight of the day was cancelled 0.5% of the time over the past year, against 0.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.