ON TIMEBOARD

DTW → ORD on time

Detroit Metro (Detroit, MI) to Chicago O'Hare (Chicago, IL). Every scheduled flight, September 2025 to August 2026.

On time
70%
arrived < 15 min late
Cancelled
3.1%
6,152 flights
Typical arrival
−3 min
median vs schedule
When late
+92 min
average delay
Flights / day
17
4 airlines

70% of flights from Detroit to Chicago arrived on time over the past 12 months. That is worse than the typical U.S. route. The 10 a.m. departures ran on time 85% of the time; the 6 p.m. ones 48%. Most reliable airline: American Airlines (72%). 15% 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 → ORD: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 31 three hours or more; 3.1% were cancelled outright.

Share of all 6,152 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines2,48171%2.8%−1 min10.0%+89 minSkyWest 51%, United Airlines 33%, Republic Airways 15%, GoJet 1%
Delta Air Lines1,87666%3.3%−1 min13.9%+88 minDelta Air Lines 62%, SkyWest 32%, Endeavor Air 6%, Republic Airways 0%
American Airlines1,79372%3.5%−8 min11.2%+97 minEnvoy 53%, SkyWest 39%, Republic Airways 5%, American Airlines 3%, PSA Airlines 1%
Spirit Airlines2—————Spirit Airlines

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%5 a.m. departures: 83% on time (313 flights)835a6 a.m. departures: 83% on time (432 flights)836a7 a.m. departures: 71% on time (615 flights)717a8 a.m. departures: 72% on time (399 flights)728a9 a.m. departures: 77% on time (452 flights)779a10 a.m. departures: 85% on time (402 flights)8510a11 a.m. departures: 84% on time (297 flights)8411anoon departures: 67% on time (426 flights)6712p1 p.m. departures: 67% on time (374 flights)671p2 p.m. departures: 71% on time (321 flights)712p3 p.m. departures: 72% on time (245 flights)723p4 p.m. departures: 64% on time (331 flights)644p5 p.m. departures: 58% on time (404 flights)585p6 p.m. departures: 48% on time (462 flights)486p7 p.m. departures: 56% on time (223 flights)567p8 p.m. departures: 61% on time (368 flights)618p9 p.m. departures: too few flights (83 flights)9p
DTW → ORD, 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

By airline and hour

DepartsUnited AirlinesDelta Air LinesAmerican Airlines
5 a.m.78%—88%
6 a.m.89%—77%
7 a.m.71%74%—
8 a.m.—74%68%
9 a.m.75%——
10 a.m.—84%88%
11 a.m.85%——
noon—66%—
1 p.m.——72%
2 p.m.71%——
3 p.m.—71%—
4 p.m.68%59%—
5 p.m.41%60%66%
6 p.m.50%—51%
8 p.m.—60%—

Last flight of the day

On DTW → ORD, each airline's last flight of the day was cancelled 4.9% of the time, against 2.7% for its earlier flights (1.8× as often). It arrived 3+ hours late 4.2% of the time (earlier flights: 3.0%). 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
American Airlines9:03 p.m.6.3%2.5%2.7%first flight 6:45 a.m.
Delta Air Lines8:00 p.m.3.8%4.7%3.1%first flight 7:30 a.m.
United Airlines7:22 p.m.4.7%5.5%2.5%first flight 5:30 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.

If you need to be in ORD 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 (84%). Worst: January (64%).

40%70%100%Jan: 64% on time (1,243 flights)64JanFeb: 79% on time (1,245 flights)79FebMar: 73% on time (1,442 flights)73MarApr: 78% on time (1,583 flights)78AprMay: 80% on time (1,628 flights)80MayJun: 76% on time (1,536 flights)76JunJul: 70% on time (1,563 flights)70JulAug: 72% on time (1,611 flights)72AugSep: 84% on time (1,451 flights)84SepOct: 84% on time (1,527 flights)84OctNov: 78% on time (1,404 flights)78NovDec: 72% on time (1,341 flights)72Dec

By day of week

DayFlightsOn timeCancelled
Monday92568%4.4%
Tuesday87073%2.3%
Wednesday86970%2.6%
Thursday89173%2.4%
Friday90267%3.8%
Saturday78972%3.4%
Sunday90666%2.9%

Why flights were late

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

Airline (crew, maintenance, ops) 42%Air traffic & airport (NAS) 28%Late inbound plane 22%Severe weather 8%

Cancellations: weather 109 · air traffic/airport 61 · airline 22

Month by month

40%70%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 81% on time, 0.7% cancelledOct 2023: 89% on time, 0.0% cancelledNov 2023: 87% on time, 0.0% cancelledDec 2023: 87% on time, 0.2% cancelledJan 2024: 58% on time, 9.3% cancelledFeb 2024: 92% on time, 0.5% cancelledMar 2024: 84% on time, 0.0% cancelledApr 2024: 81% on time, 0.2% cancelledMay 2024: 77% on time, 1.4% cancelledJun 2024: 79% on time, 0.4% cancelledJul 2024: 74% on time, 2.7% cancelledAug 2024: 74% on time, 0.6% cancelledSep 2024: 88% on time, 0.0% cancelledOct 2024: 88% on time, 0.0% cancelledNov 2024: 84% on time, 0.4% cancelledDec 2024: 77% on time, 0.0% cancelledJan 2025: 76% on time, 0.5% cancelledFeb 2025: 70% on time, 3.4% cancelledMar 2025: 80% on time, 0.6% cancelledApr 2025: 80% on time, 1.9% cancelledMay 2025: 84% on time, 0.4% cancelledJun 2025: 74% on time, 0.9% cancelledJul 2025: 67% on time, 2.2% cancelledAug 2025: 73% on time, 2.7% cancelledSep 2025: 81% on time, 0.4% cancelledOct 2025: 76% on time, 0.0% cancelledNov 2025: 66% on time, 8.5% cancelledDec 2025: 53% on time, 3.5% cancelledJan 2026: 57% on time, 2.9% cancelledFeb 2026: 75% on time, 0.0% cancelledMar 2026: 56% on time, 5.9% cancelledApr 2026: 73% on time, 3.6% cancelledMay 2026: 78% on time, 1.8% cancelledJun 2026: 75% on time, 4.7% cancelledJul 2026: 71% on time, 4.8% cancelledAug 2026: 70% on time, 1.4% cancelled
Share of flights on time, by month (hover a point for cancellations)
DTW → ORD, monthly on-time and cancellation rate.

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 47546:00 a.m.19982%3.5%−12 minSkyWest
AA 64656:45 a.m.13880%1.5%−6 minSkyWest
UA 4269:00 a.m.34570%1.2%+2 minUnited Airlines
DL 171612:35 p.m.14875%1.4%−8 minDelta Air Lines
UA 53812:10 p.m.19867%1.5%+2 minSkyWest
DL 23583:50 p.m.19268%5.7%−6 minDelta Air Lines
DL 16658:00 p.m.30661%3.6%+3 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Nov 30, 2025190%5
Apr 2, 2026180%6
Dec 7, 2025160%3
Jan 25, 2026140%1
Dec 1, 2025186%6

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Detroit or Chicago. None has been clearly more reliable than DTW → ORD.

RouteFlightsOn timeCancelled
DTW → ORD (this route)6,15270%3.1%
DTW → MDW Detroit Metro to Chicago Midway2,11070%1.3%
FNT → ORD Bishop to Chicago O'Hare1,86664%4.1%

Questions

How often are flights from DTW to ORD on time?

70% of 6,152 scheduled flights from Detroit, MI to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 3.1% were cancelled.

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

Flights scheduled to leave at 10 a.m. were the most reliable (85% on time). The 6 p.m. departures were the least (48%).

Which airline is most on time from DTW to ORD?

American Airlines: 72% of its 1,793 flights on the route arrived on time. United Airlines: 71%. Delta Air Lines: 66%.

What month has the most delays from DTW to ORD?

January (64% on time). The best month is October (84%), over 2023–2026.

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

Yes. Each airline's last DTW–ORD flight of the day was cancelled 4.9% of the time over the past year, against 2.7% 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.