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Reliability
Flight Reliability
Portland to Dallas
This chart shows airline reliability for each hour of the day between Portland and Dallas. 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
6a
7a
8a
9a
10a
11a
12p
1p
0%
20%
40%
60%
80%
Southwest
Southwest
Southwest
Southwest