PHL (Philadelphia) to HOU (Houston) flights arrive on time 71% of the time. The most reliable airline on this route is Southwest Airlines at 71%. The average delay is 32 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.PHL → HOU
PHL (Philadelphia) to HOU (Houston)
PHL → HOU on-time performance by month
23
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 71% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from PHL
77% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. PHL has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
PHL cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at HOU
80% on timeWhen flights into HOU are late, the average delay is 55 minutes. Build buffer if you have ground plans.
If connecting at HOU: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of PHL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.