Flight Reliability
UA 5431 · United Airlines
LNK → Denver (LNK–DEN)
45
Bring Snacks
WanderNerd Reliability Score
- 61%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 2.5%
- Cancelled
- 3 min
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 5431 arrived on time 69% of the time on Mondays and just 53% on Fridays. That gap is worth planning around.
Well behind the LNK–DEN route.
UA 5431 arrived on time 61% of the time, versus 79% across the LNK–DEN route.
Well behind the United Airlines network.
UA 5431 arrived on time 61% of the time, versus 79% across the United Airlines network.
Recent months have been rougher.
UA 5431 arrived on time 60% of the time over the last three months in the data, compared with 76% in the three months before that.
The breakdown
- Mon69%(51 flights)
- Tue58%(50 flights)
- Wed67%(49 flights)
- Thu55%(51 flights)
- Fri53%(51 flights)
- Sat62%(50 flights)
- Sun65%(49 flights)
43%
May
Jun 36% → May 43% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 36% | 28 |
| July 2025 | 31% | 29 |
| August 2025 | 33% | 30 |
| September 2025 | 66% | 29 |
| October 2025 | 71% | 31 |
| November 2025 | 92% | 25 |
| December 2025 | 74% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 67% | 27 |
| March 2026 | 70% | 30 |
| April 2026 | 67% | 30 |
| May 2026 | 43% | 30 |
- Departures on time
- 67%
- Diverted
- 1.1%
- Flights flown
- 351
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.