Flight Reliability
UA 6222 · United Airlines
Houston → St. Louis (IAH–STL)95% of its flights flew this route. The rest (IAH–RDU, OKC–IAH) are included in these numbers.
92
Nerd Approved
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 1.3%
- Cancelled
- 12 min early
- Median arrival delay
Based on 75 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
UA 6222 arrived on time 100% of the time on Wednesdays and just 82% on Tuesdays. That gap is worth planning around.
Better than the IAH–STL route average.
UA 6222 arrived on time 89% of the time, versus 81% across the IAH–STL route.
Better than the United Airlines network average.
UA 6222 arrived on time 89% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon82%(11 flights)
- Tue82%(11 flights)
- Wed100%(11 flights)
- Thu92%(12 flights)
- Fri100%(11 flights)
- Sat—(6 flights)
- Sun92%(12 flights)
- 3–6 AM—(1 flights)
- 6–9 AM91%(70 flights)
- 12–3 PM—(3 flights)
89%
Aug
Jun 86% → Aug 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 28 |
| July 2025 | 93% | 27 |
| August 2025 | 89% | 18 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 74
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 75 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.