Carrier route record
MQORD→AZO
Envoy Air · Chicago to Kalamazoo
- Flights
- 716
- Period
- September 2025 to August 2026
- Share of route
- 76%
- Carriers
- 2
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with Envoy Air.
Envoy on ORD to AZO lands a B−, level with the national rate of 77.3%. About one flight in four arrives 15 minutes late or worse, and those flights are late by about an hour on average. That rests on 716 flights, with a median arrival 6 minutes early.
The US average over the same twelve months is 77.3%, so there is little to separate Envoy on ORD to AZO from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
76.6%
Arrivals under 15 minutes late, of 683 completed flights
Avg delay
66 min
Across delayed arrivals only, not all flights
Cancelled
4.33%
National rate is 1.89%
Whole route
73.8%
Every carrier on ORD to AZO, 941 flights
These figures cover 716 flights between September 2025 and August 2026. Beyond the headline rate, 8.9% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
Fare search by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Carrier by carrier
Envoy against every carrier on ORD to AZO
Envoy flew 716 of the 941 flights on ORD to AZO, most of the route. Its 76.6% on time is 3 points better than the route as a whole, which runs 73.8%. Ranked by on-time rate it is first of two carriers on the route, where the range runs from Envoy at 76.6% to SkyWest at 64.9%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Air (this page) | 716 | 76.6% | 66 min | 4.33% | B− |
| SkyWest Airlinesthin sample | 225 | 64.9% | 89 min | 6.22% | D− |
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Departure window
When Envoy runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 15 points, against half a point between the best and worst carrier.
- 5am–8am—
- 8am–11am203 flights84.8%
- 11am–2pm65 flights73.3%
- 2pm–5pm192 flights77.6%
- 5pm–8pm17 flights—
- 8pm–5am239 flights69.8%
Scale runs 60% to 90%. Rows with fewer than 30 flights show a dash.
Book the morning departure. Flights leaving between 8am–11am arrive on time 84.8% of the time, against 69.8% for the overnight window. That is 15 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8pm–5am window is the busiest, with 239 flights scheduled in it.
Across the year
Envoy on ORD to AZO through the year
January is the weak month at 66.7% on time, against 87.1% in September. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. March was the busiest month here, with 93 flights.
Across the week, Saturday is the strongest day at 82.3% on time and Wednesday the weakest at 72.0%, a spread of 10 points.
Arrival by arrival
How late Envoy on ORD to AZO runs when it is late
The 160 late arrivals split 43 under half an hour, 56 between 30 and 60 minutes, and 61 an hour or more.
- 15+ min early163 flights23.9%
- Within 15 min360 flights52.7%
- 15–29 min late43 flights6.3%
- 30–59 min late56 flights8.2%
- 1–2 hours late38 flights5.6%
- 2+ hours late23 flights3.4%
Scale runs 0% to 100%.
Share of 683 completed flights by arrival against schedule.
29 of 154 late departures made up the time and arrived on time, 19% of them. In the other direction, 35 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at AZO.
The worst days
Worst days for Envoy on ORD to AZO
The latest arrival of the period was on 31 December 2025, 5 hours 11 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on five of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 31 December 2025 | 5 hours 11 minutes | Late-arriving aircraft |
| 16 April 2026 | 4 hours 45 minutes | Late-arriving aircraft |
| 3 December 2025 | 4 hours 21 minutes | Late-arriving aircraft |
| 15 March 2026 | 3 hours 29 minutes | Late-arriving aircraft |
| 30 November 2025 | 3 hours 27 minutes | Late-arriving aircraft |
Delay causes
Why Envoy runs late on this route
Late-arriving aircraft accounts for 47% of the 11,000 delay minutes carriers reported here, and the remaining four split what is left.
- 47%Late-arriving aircraft
- 21%National Airspace System
- 16%Extreme weather
- 16%Carrier
Extreme weather accounts for 16% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.7 times the usual weather exposure. The split is drawn from 10,571 reported delay minutes.
47% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 11,000 reported delay minutes here, that single category outweighs weather by 3 to one.
Cancellations run at 4.33%, against 1.89% nationally. That is about one flight in 25 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here costs
8.9% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
At 122 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 8am–11am window matters as much as it does.
The return leg runs 79.3% on time across 717 flights, within 3 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
One caution: this is a thin sample. 716 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking Envoy on ORD to AZO
Put together: the delay figures matter less here than the 4.33% cancellation rate. A late arrival costs you about an hour; a cancelled flight costs you the day. Book the 8am–11am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 683 completed flights over 12 months sit behind that.
Related
Where to go next
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.