Flight Reliability
UA 4915 · United Airlines
BTR → Houston (BTR–IAH)99% of its flights flew this route. The rest (SHV–IAH) are included in these numbers.
- 88%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 1.2%
- Cancelled
- 15 min early
- Median arrival delay
Based on 163 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 4915 arrived on time 100% of the time on Tuesdays and just 78% on Mondays. That gap is worth planning around.
A bit ahead of the BTR–IAH route.
UA 4915 arrived on time 88% of the time, versus 83% across the BTR–IAH route.
Better than the United Airlines network average.
UA 4915 arrived on time 88% of the time, versus 79% across the United Airlines network.
Ticking up lately.
UA 4915 arrived on time 93% of the time over the last three months in the data, compared with 87% in the three months before that.
The breakdown
- Mon78%(23 flights)
- Tue100%(23 flights)
- Wed83%(23 flights)
- Thu92%(25 flights)
- Fri89%(26 flights)
- Sat94%(17 flights)
- Sun82%(22 flights)
- 12–3 PM89%(158 flights)
- 3–6 PM—(1 flights)
Jul 92% → Mar 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 92% | 24 |
| August 2025 | 87% | 15 |
| December 2025 | 83% | 30 |
| January 2026 | 93% | 30 |
| February 2026 | 96% | 28 |
| March 2026 | 89% | 27 |
- Departures on time
- 87%
- Diverted
- 1.2%
- Flights flown
- 159
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 163 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.