Best Time to Fly MSO to ORD
Missoula to Chicago — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
December
0% on time
MSO → ORD on-time performance by month
23
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 31 |
| February | 1% | 0% | 28 |
| March | 1% | 0% | 31 |
| April | 1% | 0% | 30 |
| May | 1% | 0% | 52 |
| June | 1% | 0% | 256 |
| July | 1% | 0% | 283 |
| August | 1% | 0% | 213 |
| September | 1% | 0% | 128 |
| October | 1% | 0% | 35 |
| December | 0% | 0% | 14 |
Frequently asked
What is the best month to fly from MSO to ORD?
January has the highest on-time rate at 1% for flights from Missoula to Chicago.
What is the worst month to fly MSO to ORD?
December has the lowest on-time rate at 0%, often due to winter weather.
How often are MSO to ORD flights delayed?
On average, 1% of flights from MSO to ORD arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.