DFW to TYS flight delays & on-time performance
Nonstop flights from Dallas Fort Worth International Airport to McGhee Tyson Airport · 772 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DFW or TYS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dallas/Fort Worth (DFW) to Knoxville (TYS) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.4% were cancelled, and 11% arrived an hour or more late.
- Envoy Air was the most punctual airline here (92% on time); American Airlines was the least (69%).
- Departures scheduled around 7am did best (88% on time); around 4pm did worst (41%).
- Tuesday was the most reliable day to fly (82% on time) and Monday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from DFW to TYS?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 92% | 1.1% | 3 min | 0.0% | 88 |
| PSA AirlinesRegional airline operating American Eagle flights. | 76% | 1.8% | 24 min | 12.6% | 275 |
| American Airlines | 69% | 3.7% | 23 min | 11.6% | 1,371 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 67% | 40.0% | 10 min | 0.0% | 5 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am88%145 flights
- 8am86%212 flights
- 9am79%129 flights
- 10am86%79 flights
- 12pm80%233 flights
- 1pm49%72 flights
- 2pm70%291 flights
- 4pm41%56 flights
- 6pm71%165 flights
- 7pm56%39 flights
- 8pm49%228 flights
- 9pm71%90 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday65%2.8% cancelled
- Tuesday82%2.5% cancelled
- Wednesday73%0.8% cancelled
- Thursday74%2.4% cancelled
- Friday72%3.9% cancelled
- Saturday68%5.6% cancelled
- Sunday68%5.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion11%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather86%
- Airline (crew, maintenance, cleaning, fueling)14%
- Air traffic control & airport congestion0%
- Security0%
DFW to TYS: common questions
- How often are DFW to TYS flights on time?
- 72% 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 Dallas/Fort Worth to Knoxville cancelled?
- 3.4% of scheduled flights were cancelled (59 of 1,739).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 74 min behind schedule on average, and 11.2% of flights were an hour or more late.
- How long is taxi time at DFW?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: TYS to DFW — 77% on time
More flights from Dallas/Fort Worth
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DFW → TYS, nonstop flights by US airlines that report to the DOT. How we calculate this.