Flight Reliability
UA 4988 · United Airlines
Houston → Wichita (IAH–ICT)
88
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 1.1%
- Cancelled
- 16 min early
- Median arrival delay
Based on 89 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
UA 4988 departing between 12–3 PM arrived on time 95% of the time, versus 81% between 9 AM–12 PM.
Wednesdays have been rough.
UA 4988 arrived on time 100% of the time on Tuesdays and just 73% on Wednesdays. That gap is worth planning around.
A bit ahead of the IAH–ICT route.
UA 4988 arrived on time 84% of the time, versus 81% across the IAH–ICT route.
A bit ahead of the United Airlines network.
UA 4988 arrived on time 84% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon80%(10 flights)
- Tue100%(12 flights)
- Wed73%(15 flights)
- Thu80%(15 flights)
- Fri93%(14 flights)
- Sat83%(12 flights)
- Sun80%(10 flights)
- 9 AM–12 PM81%(67 flights)
- 12–3 PM95%(21 flights)
95%
May
Jan 72% → May 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 72% | 25 |
| February 2026 | 100% | 17 |
| March 2026 | 76% | 25 |
| May 2026 | 95% | 20 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 88
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 89 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.