Flight Reliability
UA 252 · United Airlines
Honolulu → Houston (HNL–IAH)
85
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 0.5%
- Cancelled
- 4 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
UA 252 arrived on time 89% of the time on Thursdays and just 71% on Tuesdays. That gap is worth planning around.
Recent months have been rougher.
UA 252 arrived on time 68% of the time over the last three months in the data, compared with 86% in the three months before that.
The breakdown
- Mon73%(52 flights)
- Tue71%(51 flights)
- Wed80%(51 flights)
- Thu89%(52 flights)
- Fri78%(51 flights)
- Sat83%(52 flights)
- Sun87%(53 flights)
68%
May
Jun 80% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 70% | 30 |
| August 2025 | 84% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 77% | 30 |
| December 2025 | 74% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 96% | 26 |
| March 2026 | 48% | 31 |
| April 2026 | 87% | 30 |
| May 2026 | 68% | 31 |
- Departures on time
- 87%
- Diverted
- 0.3%
- Flights flown
- 362
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.