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Portland to Billings
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Reliability
Flight Reliability
Portland to Billings
This chart shows airline reliability for each hour of the day between Portland and Billings. Reliability is defined as the percentage of flights that took off within 20 minutes of the scheduled time.
Airlines to the right are more reliable.
Reliability
10a
11a
12p
1p
2p
0%
20%
40%
60%
80%
Alaska
Alaska