PlainFlights

MSO vs ORD - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
MSO

Missoula, MT

Missoula, Montana

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Airport B
ORD

Chicago, IL

Chicago, Illinois

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric MSO ORD
On-Time Rate (higher is better) 83.9% 81.0%
Avg Delay (lower is better) 82.8 min 81.9 min
Delay Rate (lower is better) 16.1% 19.0%
Cancellation Rate (lower is better) 0.70% 1.16%
Total Flights 52,758 3,114,086
Delayed Flights 8,501 592,111
Cancelled Flights 370 36,132
Top Delay Cause Carrier Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

MSO - Missoula, MT

Carrier 40.9%
Late Aircraft 29.3%
NAS 18.6%
Weather 11.1%
Security 0.1%

ORD - Chicago, IL

Late Aircraft 39.2%
Carrier 33.6%
NAS 19.5%
Weather 7.7%
Security 0.1%

Top Routes

Top routes from MSO

Route Flights On-Time
SLC → MSO
Missoula
6,617 91%
MSO → SLC
Salt Lake City
6,616 90.4%
DEN → MSO
Missoula
6,021 79.9%
MSO → DEN
Denver
6,021 78.7%
SEA → MSO
Missoula
2,929 82.2%
MSO → SEA
Seattle
2,926 80%

Top routes from ORD

Route Flights On-Time
ORD → LGA
New York
56,539 78.2%
LGA → ORD
Chicago
56,521 80.8%
ORD → LAX
Los Angeles
37,020 79.8%
LAX → ORD
Chicago
36,987 84.3%
ORD → DEN
Denver
35,971 79.3%
DEN → ORD
Chicago
35,925 76.8%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.