ON TIMEBOARD

CMX → ORD on time

Houghton Memorial (Hancock/Houghton, MI) to Chicago O'Hare (Chicago, IL). Every scheduled flight, September 2025 to August 2026.

On time
62%
arrived < 15 min late
Cancelled
7.2%
788 flights
Typical arrival
−1 min
median vs schedule
When late
+134 min
average delay
Flights / day
2
1 airline

62% of flights from Hancock to Chicago arrived on time over the past 12 months. That is worse than the typical U.S. route. The 8 a.m. departures ran on time 62% of the time; the 3 p.m. ones 58%. 22% 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 CMX → ORD: when a flight was late, it was under 45 minutes late 43% of the time. About 1 in 7 flights landed an hour or more late, and 1 in 15 three hours or more; 7.2% were cancelled outright.

Share of all 788 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines78862%7.2%−1 min15.1%+134 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 CMX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%8 a.m. departures: 62% on time (272 flights)628a9 a.m. departures: too few flights (72 flights)9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (24 flights)2p3 p.m. departures: 58% on time (339 flights)583p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (60 flights)7p
CMX → 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

Last flight of the day

On CMX → ORD, each airline's last flight of the day was cancelled 8.5% of the time, against 6.2% for its earlier flights (1.4× as often). It arrived 3+ hours late 5.5% of the time (earlier flights: 7.8%). 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 Airlines3:06 p.m.8.5%5.5%6.2%first flight 9:16 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 (81%). Worst: January (55%).

40%70%100%Jan: 55% on time (185 flights)55JanFeb: 64% on time (170 flights)64FebMar: 66% on time (186 flights)66MarApr: 66% on time (180 flights)66AprMay: 73% on time (186 flights)73MayJun: 71% on time (188 flights)71JunJul: 65% on time (225 flights)65JulAug: 65% on time (226 flights)65AugSep: 69% on time (200 flights)69SepOct: 81% on time (186 flights)81OctNov: 77% on time (177 flights)77NovDec: 61% on time (183 flights)61Dec

By day of week

DayFlightsOn timeCancelled
Monday12062%10.0%
Tuesday10474%4.8%
Wednesday10862%8.3%
Thursday11664%6.9%
Friday11860%5.9%
Saturday10465%9.6%
Sunday11850%5.1%

Why flights were late

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

Airline (crew, maintenance, ops) 33%Late inbound plane 31%Severe weather 18%Air traffic & airport (NAS) 18%

Cancellations: weather 49 · air traffic/airport 7 · airline 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
UA 50168:40 a.m.30969%5.8%−3 minSkyWest
UA 50173:06 p.m.15561%3.9%+6 minSkyWest
UA 50823:14 p.m.18854%12.2%+1 minSkyWest

Worst days in the past year

DateFlightsOn timeCancelled
Sep 14, 202530%0
Aug 31, 202630%3
Jul 17, 202630%1
Aug 30, 202630%0
Aug 9, 2026333%0

Questions

How often are flights from CMX to ORD on time?

62% of 788 scheduled flights from Hancock/Houghton, MI to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 7.2% were cancelled.

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

Flights scheduled to leave at 8 a.m. were the most reliable (62% on time). The 3 p.m. departures were the least (58%).

What month has the most delays from CMX to ORD?

January (55% on time). The best month is October (81%), over 2023–2026.

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

Yes. Each airline's last CMX–ORD flight of the day was cancelled 8.5% of the time over the past year, against 6.2% 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.