Flight Reliability
UA 4919 · United Airlines
Houston → HRL (IAH–HRL)
90
Nerd Approved
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 1.0%
- Cancelled
- 16 min early
- Median arrival delay
Based on 205 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 4919 arrived on time 100% of the time on Fridays and just 71% on Mondays. That gap is worth planning around.
A bit ahead of the IAH–HRL route.
UA 4919 arrived on time 86% of the time, versus 82% across the IAH–HRL route.
A bit ahead of the United Airlines network.
UA 4919 arrived on time 86% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon71%(31 flights)
- Tue90%(31 flights)
- Wed93%(27 flights)
- Thu90%(30 flights)
- Fri100%(24 flights)
- Sat77%(30 flights)
- Sun83%(30 flights)
90%
May
Nov 72% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 72% | 25 |
| December 2025 | 83% | 23 |
| January 2026 | 90% | 31 |
| February 2026 | 86% | 28 |
| March 2026 | 87% | 31 |
| April 2026 | 90% | 29 |
| May 2026 | 90% | 30 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 203
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 205 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.