ON TIMEBOARD

DTW → HSV on time

Detroit Metro (Detroit, MI) to Huntsville (Huntsville, AL). Every scheduled flight, September 2025 to August 2026.

On time
70%
arrived < 15 min late
Cancelled
1.1%
567 flights
Typical arrival
−4 min
median vs schedule
When late
+83 min
average delay
Flights / day
2
1 airline

70% of flights from Detroit to Huntsville arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 p.m. departures ran on time 72% of the time; the noon ones 71%. 14% 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 DTW → HSV: when a flight was late, it was under 45 minutes late 40% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 41 three hours or more; 1.1% were cancelled outright.

Share of all 567 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines56770%1.1%−4 min12.7%+83 minEndeavor Air 82%, SkyWest 18%, Delta Air Lines 0%

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 DTW). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%noon departures: 71% on time (226 flights)7112p1 p.m. departures: too few flights (90 flights)1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights (1 flights)3p4 p.m. departures: too few flights (8 flights)4p5 p.m. departures: too few flights (2 flights)5p6 p.m. departures: too few flights6p7 p.m. departures: 72% on time (139 flights)727p8 p.m. departures: too few flights (92 flights)8p
DTW → 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 DTW → HSV, each airline's last flight of the day was cancelled 1.9% of the time, against 0.5% for its earlier flights (4.0× as often). It arrived 3+ hours late 1.5% of the time (earlier flights: 1.5%). 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
Delta Air Lines8:12 p.m.1.9%1.5%0.5%first flight 1:15 p.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.

If you need to be in HSV tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: October (88%). Worst: July (62%).

40%70%100%Jan: too few flights (70 flights)JanFeb: too few flights (71 flights)FebMar: too few flights (86 flights)MarApr: 86% on time (104 flights)86AprMay: 73% on time (119 flights)73MayJun: 74% on time (127 flights)74JunJul: 62% on time (132 flights)62JulAug: 76% on time (135 flights)76AugSep: too few flights (96 flights)SepOct: 88% on time (106 flights)88OctNov: too few flights (99 flights)NovDec: too few flights (76 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday88——
Tuesday85——
Wednesday85——
Thursday85——
Friday82——
Saturday58——
Sunday84——

Why flights were late

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

Airline (crew, maintenance, ops) 50%Late inbound plane 37%Air traffic & airport (NAS) 9%Severe weather 3%

Cancellations: air traffic/airport 3 · airline 2 · weather 1

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
DL 50211:15 p.m.26370%0.4%−6 minEndeavor Air
DL 53867:55 p.m.13060%3.1%+2 minEndeavor Air

Questions

How often are flights from DTW to HSV on time?

70% of 567 scheduled flights from Detroit, MI to Huntsville, AL arrived within 15 minutes of schedule between September 2025 and August 2026. 1.1% were cancelled.

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

Flights scheduled to leave at 7 p.m. were the most reliable (72% on time). The noon departures were the least (71%).

What month has the most delays from DTW to HSV?

July (62% on time). The best month is October (88%), over 2023–2026.

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

Yes. Each airline's last DTW–HSV flight of the day was cancelled 1.9% of the time over the past year, against 0.5% 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.