PIT to HOU flight delays & on-time performance
Nonstop flights from Pittsburgh International Airport to William P. Hobby Airport · 1,131 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PIT or HOU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Pittsburgh (PIT) to Houston (HOU) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (94% on time); around 7pm did worst (56%).
- Wednesday was the most reliable day to fly (83% on time) and Friday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (61%).
Which airline is most on time from PIT to HOU?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 77% | 0.3% | 12 min | 4.8% | 316 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am91%23 flights
- 11am94%17 flights
- 12pm91%44 flights
- 1pm89%19 flights
- 2pm80%10 flights
- 3pm69%13 flights
- 5pm82%80 flights
- 6pm59%59 flights
- 7pm56%41 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday77%0.0% cancelled
- Friday67%0.0% cancelled
- Saturday76%0.0% cancelled
- Sunday78%2.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft61%
- Air traffic control & airport congestion20%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
PIT to HOU: common questions
- How often are PIT to HOU flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Pittsburgh to Houston cancelled?
- 0.3% of scheduled flights were cancelled (1 of 316).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 48 min behind schedule on average, and 4.8% of flights were an hour or more late.
- How long is taxi time at PIT?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: HOU to PIT — 72% on time
More flights from Pittsburgh
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PIT → HOU, nonstop flights by US airlines that report to the DOT. How we calculate this.