Flight Reliability
UA 6356 · United Airlines
Philadelphia → Houston (PHL–IAH)
68
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 94 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 6356 arrived on time 85% of the time on Tuesdays and just 63% on Sundays. That gap is worth planning around.
Lagging the PHL–IAH route.
UA 6356 arrived on time 70% of the time, versus 80% across the PHL–IAH route.
Lagging the United Airlines network.
UA 6356 arrived on time 70% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon71%(17 flights)
- Tue85%(13 flights)
- Wed65%(17 flights)
- Thu69%(16 flights)
- Fri73%(15 flights)
- Sat—(0 flights)
- Sun63%(16 flights)
95%
Sep
Jun 46% → Sep 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 46% | 22 |
| July 2025 | 65% | 26 |
| August 2025 | 76% | 25 |
| September 2025 | 95% | 21 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 94
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 94 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.