Chicago (ORD) to Montrose/Delta (MTJ): On-Time Performance
Data through May 2026
Chicago (ORD) to Montrose/Delta (MTJ) is a thinner route than most in this dataset — 125 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 74% arrived on time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 0.34
- last 12 months
- Duration
- 3h 31m
- scheduled
- Distance
- 1,081 mi
Monthly on-time trend
Best time to fly from ORD to MTJ
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 14 min |
| Tuesdaybest | 84% | 24 min |
| Wednesday | 83% | 15 min |
| Thursday | 77% | 18 min |
| Friday | 59% | 23 min |
| Saturday | 67% | 14 min |
| Sunday | 74% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations50%
- National airspace system19%
- Weather7%
Frequently asked questions
- How often are flights from ORD to MTJ delayed?
- 26% of ORD–MTJ flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 18 minutes.
- How long is the flight from ORD to MTJ?
- The scheduled ORD–MTJ flight time averages 3h 31m over 1,081 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are ORD to MTJ flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for ORD to MTJ?
- Tuesday flights have the best record at 84% on-time. Day-of-week differences on this route are meaningful — Friday trails at 59%.
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Based on 306 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.