Route Reliability
Denver → Memphis
DEN–MEM · 872 miles · Denver International Airport to Memphis International Airport
- 76%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.0%
- Cancelled
- 1,304
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Frontier Airlines82%136 flights
- 2.United Airlines81%729 flights
- 3.Southwest Airlines65%439 flights
What the data says
The 12–3 PM departure wins.
DEN–MEM flights departing between 12–3 PM arrived on time 87% of the time, versus 35% between 9 PM–12 AM.
Friday is doing you no favors.
DEN–MEM flights arrived on time 82% of the time on Wednesdays and just 67% on Fridays. That gap is worth planning around.
Frontier Airlines has a clear lead on this route.
Frontier Airlines arrived on time 82% of the time on this route; Southwest Airlines managed 65%.
Recent months have been rougher.
DEN–MEM flights arrived on time 76% of the time over the last three months in the data, compared with 85% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(192 flights)
- Tue77%(165 flights)
- Wed82%(169 flights)
- Thu77%(212 flights)
- Fri67%(183 flights)
- Sat81%(154 flights)
- Sun75%(215 flights)
- 6–9 AM—(1 flights)
- 9 AM–12 PM86%(471 flights)
- 12–3 PM87%(135 flights)
- 3–6 PM77%(364 flights)
- 6–9 PM59%(279 flights)
- 9 PM–12 AM35%(40 flights)
Jun 49% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 49% | 97 |
| July 2025 | 49% | 102 |
| August 2025 | 69% | 103 |
| September 2025 | 85% | 102 |
| October 2025 | 84% | 105 |
| November 2025 | 94% | 101 |
| December 2025 | 77% | 106 |
| January 2026 | 92% | 98 |
| February 2026 | 85% | 95 |
| March 2026 | 70% | 129 |
| April 2026 | 85% | 124 |
| May 2026 | 73% | 128 |
Keep nerding
Based on 1,304 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.