Route reliability record
GJT→DFW
Grand Junction to Dallas-Fort Worth
- Flights
- 1,043
- Period
- September 2025 to August 2026
- Distance
- 772 mi
- Carriers
- 2
This route lands a B, 6 points better than the national rate of 77.3%. About one flight in six arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 1,043 GJT to DFW flights, with a median arrival 12 minutes early.
Best time to fly GJT to DFW: a 5am–8am departure, ideally on a Monday. Flights in that window arrived on time 92.5% of the time and Monday flights 87.4%, against 83.4% for the route overall.
Set against the rest of the country, this route's record is 6 points better than the US average of 77.3%. That gap is worth roughly 61 fewer late arrivals for every thousand flights.
Key figures
On time
83.4%
Arrivals under 15 minutes late, of 1,024 completed flights
Avg delay
72 min
Across delayed arrivals only, not all flights
Cancelled
1.25%
National rate is 1.89%
Best carrier
Envoy
86.8% on time across 710 flights
These figures cover 1,043 flights between September 2025 and August 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Carrier by carrier
Which airline is most reliable on GJT to DFW
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Air | 710 | 86.8% | 57 min | 1.13% | A |
| SkyWest Airlinesthin sample | 333 | 76.0% | 90 min | 1.50% | B |
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Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 23 points, against half a point between the best and worst carrier.
- 5am–8am364 flights92.5%
- 8am–11am141 flights90.7%
- 11am–2pm219 flights77.6%
- 2pm–5pm180 flights76.7%
- 5pm–8pm139 flights69.6%
- 8pm–5am—
Scale runs 60% to 100%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 92.5% of the time, against 69.6% for the evening window. That is 23 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 364 flights scheduled in it.
Explore
Filter GJT to DFW by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On GJT to DFW, the best departure window is 5am–8am at 92.5% on time and the worst is 5pm–8pm at 69.6%, a wide gap of 22.9 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am92.5%
- 8–11am90.7%
- 11am–2pm77.6%
- 2–5pm76.7%
- 5–8pm69.6%
- 8pm–5am—
best all US flightsScale 60% to 95%. Cells under 30 flights show a dash.
Across the year
When delays peak on this route
This route's year swings by 22 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
Delays peak in October, when the on-time rate falls to 72.2%. February is the strongest month at 94.2%. Moving a flexible trip across that boundary buys 22 points. May was the busiest month here, with 93 flights.
Across the week, Monday is the strongest day at 87.4% on time and Saturday the weakest at 78.3%, a spread of 9 points.
Delay causes
Why this route gets delayed
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 12,000 reported delay minutes.
- 40%Carrier
- 32%Late-arriving aircraft
- 15%Extreme weather
- 13%National Airspace System
- 0%Security
Extreme weather accounts for 15% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.6 times the usual weather exposure. The split is drawn from 12,302 reported delay minutes.
The largest share of delay minutes, 40%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 4,916 of the 12,000 delay minutes reported here.
Cancellations sit at 1.25% against a national 1.89%, which is ordinary. Diversions add another 0.58%.
Connections and stage length
What a delay here actually costs
6.0% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
The 772 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The return leg runs 83.0% on time across 1,044 flights, within half a point of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
One caution: this is a thin sample. 1,043 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
Work out the risk of missing a connection in DFW after this flight
What to do with this
Booking this route
Put together: treat all of this as provisional. 1,043 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 83.4% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 1,024 completed flights over 12 months sit behind that.
Common questions
GJT to DFW questions
How often is GJT to DFW delayed?
About one flight in six arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 16.6% of the 1,043 flights in this analysis, against 22.7% nationally. Delayed flights are late by a little over an hour on average.
How reliable is GJT to DFW compared with the rest of the country?
83.4% of flights arrive on time here against a national 77.3%, a difference of 6 points in its favour. That is worth a B on this site's grading scale.
What time of day has the fewest delays on GJT to DFW?
The 5am–8am departure window is the strongest at 92.5% on time. The 5pm–8pm window is the weakest at 69.6%, 23 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are October delays on GJT to DFW?
October is the weakest month at 72.2% on time, compared with 94.2% in February. Across the year that is 22 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- DFW to GJT — the return legseparate record
- Dallas/Fort Worth International (DFW) delay statistics
- Envoy Air on GJT to DFW86.8%
- SkyWest Airlines on GJT to DFW76.0%
- GJT to DEN, a related route79.6%
- ORD to DFW, a related route70.4%
- GJT to PHX, a related route82.7%
- Envoy Air on-time record86.8%
- SkyWest Airlines on-time record76.0%
- The best time of day to fly, according to 7.05 million flight records
- Worst months to fly in the US, ranked by the data
Direction matters. GJT to DFW and DFW to GJT are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.