ON TIMEBOARD

JAX → DTW on time

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

On time
85%
arrived < 15 min late
Cancelled
2.5%
638 flights
Typical arrival
−12 min
median vs schedule
When late
+76 min
average delay
Flights / day
2
1 airline

85% of flights from Jacksonville to Detroit arrived on time over the past 12 months. That is better than the typical U.S. route. The 11 a.m. departures ran on time 87% of the time; the 6 p.m. ones 82%. 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 JAX → DTW: when a flight was late, it was under 45 minutes late 56% of the time. About 1 in 22 flights landed an hour or more late, and 1 in 160 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 Lines63885%2.5%−12 min4.5%+76 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 JAX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%11 a.m. departures: 87% on time (270 flights)8711anoon departures: too few flights (84 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (4 flights)4p5 p.m. departures: too few flights (30 flights)5p6 p.m. departures: 82% on time (246 flights)826p
JAX → DTW, 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 JAX → DTW, 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 0.7% 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 Lines6:22 p.m.0.7%0.7%4.8%first flight 11:47 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 (92%). Worst: July (65%).

40%70%100%Jan: too few flights (88 flights)JanFeb: too few flights (87 flights)FebMar: 81% on time (147 flights)81MarApr: 85% on time (159 flights)85AprMay: 85% on time (162 flights)85MayJun: 76% on time (161 flights)76JunJul: 65% on time (162 flights)65JulAug: 83% on time (164 flights)83AugSep: 92% on time (142 flights)92SepOct: 87% on time (160 flights)87OctNov: 91% on time (152 flights)91NovDec: 85% on time (124 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday10084%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.

Late inbound plane 60%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 7%Severe weather 4%

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 233311:40 a.m.35887%3.9%−13 minDelta Air Lines
DL 29946:15 p.m.26782%0.8%−10 minDelta Air Lines

Questions

How often are flights from JAX to DTW on time?

85% of 638 scheduled flights from Jacksonville, FL to Detroit, MI 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 JAX to DTW?

Flights scheduled to leave at 11 a.m. were the most reliable (87% on time). The 6 p.m. departures were the least (82%).

What month has the most delays from JAX to DTW?

July (65% on time). The best month is September (92%), over 2023–2026.

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

No, the opposite. Each airline's last JAX–DTW 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.