ON TIMEBOARD

DTW → JAX on time

Detroit Metro (Detroit, MI) to Jacksonville (Jacksonville, FL). Every scheduled flight, September 2025 to August 2026.

On time
82%
arrived < 15 min late
Cancelled
2.5%
638 flights
Typical arrival
−10 min
median vs schedule
When late
+54 min
average delay
Flights / day
2
1 airline

82% of flights from Detroit to Jacksonville arrived on time over the past 12 months. That is better than the typical U.S. route. The 8 a.m. departures ran on time 85% of the time; the 3 p.m. ones 79%. 6% 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 → JAX: when a flight was late, it was under 45 minutes late 63% of the time. About 1 in 28 flights landed an hour or more late, and 1 in 319 three hours or more; 2.5% were cancelled outright.

Share of all 638 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines63882%2.5%−10 min3.6%+54 minDelta Air Lines

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%8 a.m. departures: 85% on time (354 flights)858a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights (4 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: 80% on time (121 flights)802p3 p.m. departures: 79% on time (155 flights)793p
DTW → JAX, 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 → JAX, each airline's last flight of the day was cancelled 0.7% of the time, against 4.8% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 0.4% of the time (earlier flights: 0.4%). 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 Lines3:02 p.m.0.7%0.4%4.8%first flight 8:29 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 (87%). Worst: July (75%).

40%70%100%Jan: too few flights (88 flights)JanFeb: too few flights (87 flights)FebMar: 78% on time (147 flights)78MarApr: 84% on time (159 flights)84AprMay: 83% on time (162 flights)83MayJun: 80% on time (161 flights)80JunJul: 75% on time (162 flights)75JulAug: 82% on time (164 flights)82AugSep: 87% on time (141 flights)87SepOct: 86% on time (159 flights)86OctNov: 86% on time (152 flights)86NovDec: 82% on time (124 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday10079%1.0%
Tuesday91——
Wednesday91——
Thursday97——
Friday96——
Saturday68——
Sunday95——

Why flights were late

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

Airline (crew, maintenance, ops) 58%Air traffic & airport (NAS) 22%Late inbound plane 20%

Cancellations: airline 16

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 23338:25 a.m.35885%3.9%−12 minDelta Air Lines
DL 29942:50 p.m.26778%0.8%−7 minDelta Air Lines

Questions

How often are flights from DTW to JAX on time?

82% of 638 scheduled flights from Detroit, MI to Jacksonville, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 2.5% were cancelled.

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

Flights scheduled to leave at 8 a.m. were the most reliable (85% on time). The 3 p.m. departures were the least (79%).

What month has the most delays from DTW to JAX?

July (75% on time). The best month is September (87%), over 2023–2026.

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

No, the opposite. Each airline's last DTW–JAX flight of the day was cancelled 0.7% of the time over the past year, against 4.8% 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.