Flight Reliability
UA 4980 · United Airlines
HRL → Houston (HRL–IAH)90% of its flights flew this route. The rest (BTR–IAH) are included in these numbers.
- 89%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 1.7%
- Cancelled
- 12 min early
- Median arrival delay
Based on 231 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 90% of the time, against 85% between 6–9 PM.
Friday is doing you no favors.
UA 4980 arrived on time 100% of the time on Saturdays and just 79% on Fridays. That gap is worth planning around.
A bit ahead of the HRL–IAH route.
UA 4980 arrived on time 89% of the time, versus 83% across the HRL–IAH route.
Better than the United Airlines network average.
UA 4980 arrived on time 89% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon90%(30 flights)
- Tue86%(35 flights)
- Wed89%(35 flights)
- Thu88%(34 flights)
- Fri79%(34 flights)
- Sat100%(30 flights)
- Sun97%(29 flights)
- 12–3 PM90%(207 flights)
- 6–9 PM85%(20 flights)
Jun 85% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 20 |
| November 2025 | 83% | 30 |
| December 2025 | 93% | 29 |
| January 2026 | 97% | 30 |
| February 2026 | 96% | 28 |
| March 2026 | 87% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 79% | 24 |
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 227
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 231 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.