Flight Reliability
UA 4814 · United Airlines
Houston → JAN (IAH–JAN)88% of its flights flew this route. The rest (IAH–ICT, IAD–PHL) are included in these numbers.
81
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.2%
- Cancelled
- 11 min early
- Median arrival delay
Based on 324 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 4814 arrived on time 87% of the time on Tuesdays and just 69% on Mondays. That gap is worth planning around.
Recent months have been rougher.
UA 4814 arrived on time 76% of the time over the last three months in the data, compared with 83% in the three months before that.
The breakdown
- Mon69%(45 flights)
- Tue87%(47 flights)
- Wed80%(45 flights)
- Thu75%(47 flights)
- Fri79%(47 flights)
- Sat81%(43 flights)
- Sun80%(45 flights)
- 12–3 PM79%(311 flights)
- 3–6 PM—(5 flights)
- 6–9 PM—(3 flights)
72%
May
Jun 61% → May 72% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 28 |
| July 2025 | 73% | 30 |
| August 2025 | 81% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 88% | 25 |
| December 2025 | 73% | 30 |
| January 2026 | 81% | 31 |
| February 2026 | 96% | 25 |
| March 2026 | 72% | 29 |
| April 2026 | 83% | 30 |
| May 2026 | 72% | 25 |
- Departures on time
- 80%
- Diverted
- 0.3%
- Flights flown
- 319
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 324 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.