Flight Reliability
UA 4936 · United Airlines
Houston → LRD (IAH–LRD)
83
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.8%
- Cancelled
- 12 min early
- Median arrival delay
Based on 333 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
UA 4936 arrived on time 92% of the time on Wednesdays and just 76% on Thursdays. That gap is worth planning around.
A bit ahead of the United Airlines network.
UA 4936 arrived on time 83% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon79%(47 flights)
- Tue82%(49 flights)
- Wed92%(47 flights)
- Thu76%(46 flights)
- Fri78%(46 flights)
- Sat85%(46 flights)
- Sun87%(46 flights)
74%
May
Jun 69% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 29 |
| July 2025 | 70% | 30 |
| August 2025 | 77% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 84% | 31 |
| November 2025 | 72% | 29 |
| December 2025 | 75% | 16 |
| January 2026 | 96% | 26 |
| February 2026 | 86% | 28 |
| March 2026 | 100% | 28 |
| April 2026 | 90% | 30 |
| May 2026 | 74% | 19 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 327
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 333 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.