Flight Reliability
UA 1192 · United Airlines
Houston → San Juan (IAH–SJU)
84
Pretty Reliable
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.3%
- Cancelled
- 6 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
UA 1192 arrived on time 90% of the time on Tuesdays and just 57% on Saturdays. That gap is worth planning around.
A bit behind the IAH–SJU route.
UA 1192 arrived on time 77% of the time, versus 81% across the IAH–SJU route.
It basically never cancels.
Out of 365 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon83%(52 flights)
- Tue90%(52 flights)
- Wed81%(52 flights)
- Thu77%(52 flights)
- Fri85%(52 flights)
- Sat57%(51 flights)
- Sun68%(53 flights)
77%
May
Jun 77% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 68% | 31 |
| August 2025 | 61% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 73% | 30 |
| December 2025 | 68% | 31 |
| January 2026 | 83% | 30 |
| February 2026 | 86% | 28 |
| March 2026 | 74% | 31 |
| April 2026 | 90% | 30 |
| May 2026 | 77% | 31 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 364
- 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.