PlainFlights

Route · ORD → MTJ · 2020–2025 BTS data

Chicago to Montrose/Delta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORD to MTJ (Chicago to Montrose/Delta) ranks #4640 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.9%
On-time
+0.9 pts
vs US avg
59 min
Delay when late
814
Flights
#4640 of 4927
Corpus placement

Cancelled

2.2%

Best Month

Mar 2021 93%

Worst Month

Mar 2022 86%

Distance

1,081 mi

Carriers

12

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Aug 2024 31 8 0 0 OO
Jul 2024 31 6 0 0 OO
Jun 2024 30 9 0 0 OO
Mar 2024 31 3 0 0 OO,UA
Jan 2024 31 12 1 0 OO,UA
Aug 2023 31 8 0 0 OO
Jul 2023 31 8 0 0 OO
Jan 2023 31 8 0 0 UA
Aug 2022 31 4 0 0 OO
Jul 2022 31 4 1 0 OO
Mar 2022 56 8 0 0 UA,MQ,AA
Jan 2022 34 8 0 1 UA,MQ,AA
Dec 2021 33 15 0 0 UA,MQ,AA
Aug 2021 31 9 0 0 OO
Jul 2021 31 6 3 0 YX
Mar 2021 59 4 0 0 YX,AA
Feb 2021 47 11 2 2 MQ,YX,AA
Jan 2021 38 3 1 0 AA,MQ,YX
Dec 2020 41 2 0 0 AA,OO,YX
Mar 2020 50 12 9 0 EV,MQ
Feb 2020 48 7 0 0 MQ,EV,OO
Jan 2020 37 9 1 1 MQ,OO,EV

ORD–MTJ seasonal on-time pattern

Best: March (86.2%) · weakest: June (70.0%)

65%70%75%80%85%90% JanFebMarJunJulAugDec 77%

Strongest calendar month

March

86.2% on-time · ~49 flights/mo

Busiest calendar month

March

~49 flights/mo avg

Weakest calendar month

June

70.0% on-time · ~30 flights/mo

Cancellation Rate

2.2%

18 of 814 flights

Diversion Rate

0.5%

4 of 814 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ORD - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

ORD on-time profile

MTJ - Montrose/Delta

Full on-time, delay-cause, and seasonal performance for Montrose/Delta, CO.

MTJ on-time profile

Compare the two airports

See ORD and MTJ side by side on delays, cancellations, and reliability.

Compare ORD vs MTJ

Origin-hub reliability standing

Mid-pack among ORD departures

From ORD, this corridor sits with 147 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 11 below 75%). Destination: Montrose/Delta · fleet on-time rank #3195 of 4927.

What the Data Says About ORD to MTJ

814 tracked flights put the ORD to MTJ pairing (Chicago to Montrose/Delta) at a 79.9% on-time rate, squarely in line with the wider network. Delays that do occur run 58.6 minutes on average. Across the 1,081-mile route and its 12 carriers, the trailing 24 months show 2.2% cancelled and 0.5% diverted (814 flights sampled).

Monthly performance varies moderately here: Mar 2021 was the strongest month at 93% on-time versus Mar 2022 at 86%, a 8-point difference.

On the multi-year calendar, ORD–MTJ peaks in March at 86.2% on-time ; the softest month is June at 70.0%, a 16.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ORD to MTJ rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ORD to MTJ ranks #4640 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ORD to MTJ? ▼
Flights from Chicago to Montrose/Delta have a 79.9% on-time rate based on 814 flights. The average delay is 58.6 minutes. The best recent month was Mar 2021 with 93% on-time.
What is the cancellation rate for ORD to MTJ? ▼
Over the last 24 months, 2.2% of flights on this route were cancelled (18 of 814 flights) and 0.5% were diverted.
How far is the flight from ORD to MTJ? ▼
The flight distance from Chicago (ORD) to Montrose/Delta (MTJ) is approximately 1,081 miles. This route is served by 12 carriers.
When is the best time to fly from ORD to MTJ? ▼
The best recent month for on-time performance was Mar 2021 (93% on-time). The worst was Mar 2022 (86% on-time). Consider booking during months with historically better performance.

Airports on this route

ORD Airport

Chicago
MTJ Airport

Montrose/Delta
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ORD–MTJ data

ORD–MTJ is mid-pack at 79.9% on-time; month and carrier mix move more than the corridor headline.

  • Compare ORD and MTJ airport profiles: delay causes and top routes differ even on the same corridor. ORD airport
  • If your dates flex, March (86.2% on-time) beats June (70.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.9% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.