Flight Reliability
UA 6303 · United Airlines
El Paso → Houston (ELP–IAH)
94
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0.8%
- Cancelled
- 8 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 6303 arrived on time 98% of the time on Sundays. On Fridays: 89%.
Better than the ELP–IAH route average.
UA 6303 arrived on time 93% of the time, versus 85% across the ELP–IAH route.
Better than the United Airlines network average.
UA 6303 arrived on time 93% of the time, versus 79% across the United Airlines network.
Recent months have been rougher.
UA 6303 arrived on time 87% of the time over the last three months in the data, compared with 95% in the three months before that.
The breakdown
- Mon89%(52 flights)
- Tue94%(52 flights)
- Wed92%(50 flights)
- Thu90%(50 flights)
- Fri89%(52 flights)
- Sat96%(52 flights)
- Sun98%(50 flights)
83%
May
Jun 90% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 97% | 30 |
| August 2025 | 97% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 94% | 31 |
| January 2026 | 100% | 30 |
| February 2026 | 93% | 27 |
| March 2026 | 86% | 28 |
| April 2026 | 93% | 30 |
| May 2026 | 83% | 30 |
- Departures on time
- 94%
- Diverted
- 0.8%
- Flights flown
- 358
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.