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Reliability
Flight Reliability
Houston to Philadelphia
This chart shows airline reliability for each hour of the day between Houston and Philadelphia. 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
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
0%
20%
40%
60%
80%
American
American
United
American
American
Spirit
American
United
Spirit
American
Spirit
United
Spirit
Spirit
Spirit
American
United
Spirit
Spirit
Spirit