MEM to DEN flight delays & on-time performance
Nonstop flights from Frederick W. Smith International Airport to Denver International Airport · 872 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MEM or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Memphis (MEM) to Denver (DEN) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.9% were cancelled, and 7% arrived an hour or more late.
- United Airlines was the most punctual airline here (82% on time); Southwest Airlines was the least (75%).
- Departures scheduled around 6am did best (90% on time); around 6pm did worst (47%).
- Friday was the most reliable day to fly (81% on time) and Thursday the least (77%).
- The largest source of delay minutes was air traffic control & airport congestion (34%).
Which airline is most on time from MEM to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 100% | 0.0% | 0 min | 0.0% | 1 |
| United Airlines | 82% | 1.1% | 14 min | 6.3% | 727 |
| Frontier Airlines | 76% | 0.7% | 22 min | 10.5% | 144 |
| Southwest Airlines | 75% | 0.6% | 15 min | 6.8% | 492 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am90%22 flights
- 6am90%82 flights
- 7am88%65 flights
- 8am88%360 flights
- 9am85%54 flights
- 10am86%102 flights
- 11am88%16 flights
- 1pm79%14 flights
- 3pm76%270 flights
- 4pm78%119 flights
- 5pm48%60 flights
- 6pm47%86 flights
- 7pm76%51 flights
- 8pm79%56 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.9% cancelled
- Tuesday79%0.6% cancelled
- Wednesday78%0.5% cancelled
- Thursday77%0.0% cancelled
- Friday81%0.5% cancelled
- Saturday78%1.9% cancelled
- Sunday79%1.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion34%
- Late-arriving aircraft30%
- Airline (crew, maintenance, cleaning, fueling)30%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion0%
- Security0%
MEM to DEN: common questions
- How often are MEM to DEN flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Memphis to Denver cancelled?
- 0.9% of scheduled flights were cancelled (12 of 1,364).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 69 min behind schedule on average, and 6.9% of flights were an hour or more late.
- How long is taxi time at MEM?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to MEM — 77% on time
More flights from Memphis
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MEM → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.