Flight number record
F9 3417
Frontier Airlines · San Antonio to Las Vegas
- Route
- SAT → LAS
- Departs
- 21:32
- Flights
- 267
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s F9 3417, check with Frontier Airlines.
F9 3417 sits in the middle of the pack with a B. Close to three flights in four arrive on time by the DOT's definition, 2 points worse than the national rate of 77.3%. The late ones land a little over an hour behind schedule. That rests on 267 flights, with a median arrival 11 minutes early.
Key figures
On time
75.3%
Arrivals under 15 minutes late, of 263 completed flights
Avg delay
71 min
Across delayed arrivals only, not all flights
Cancelled
1.12%
National rate is 1.89%
1 hour+ late
10.3%
National rate is 8.3%
These figures cover 267 flights between September 2025 and August 2026. Beyond the headline rate, 10.3% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When F9 3417 flies
F9 3417 flies SAT to LAS without a single fixed slot. Its most common scheduled departure was 21:32, used on 44 of 267 flights, with 20:59 (30 flights) next.
- Departs 21:3244 flights16.5%
- Departs 20:5930 flights11.2%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 21:32 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.1%, and F9 3417 runs 5 points better at 75.3%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
F9 3417 next to SAT to LAS
Every carrier on SAT to LAS combined arrived on time 78.8% of the time across 2,049 flights, so F9 3417 is 4 points behind it. Across its whole network Frontier Airlines managed 72.7%, which this flight beats by 3 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| F9 3417thin sample | 267 | 75.3% | 71 min | 1.12% | B |
| All Frontier Airlines on SAT–LASthin sample | 305 | 74.8% | 69 min | 0.98% | C+ |
| All carriers on SAT–LAS | 2,049 | 78.8% | 58 min | 0.54% | B+ |
| Frontier Airlines, whole network | 213,022 | 72.7% | 84 min | 2.05% | C |
Across the year
F9 3417 quarter by quarter
F9 3417 did not run the same all year. Its best quarter was Oct–Dec 2025 at 90.0% on time and its weakest Jul–Sep 2026 at 62.9%, a swing of 27 points on roughly 67 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202521 flights—
- Oct–Dec 202561 flights90.0%
- Jan–Mar 202643 flights86.0%
- Apr–Jun 202680 flights66.2%
- Jul–Sep 202662 flights62.9%
Scale runs 55% to 95%. Rows with fewer than 30 flights show a dash.
By weekday, F9 3417 did best on Saturday at 85.3% on time and worst on Friday at 60.4%. Each day rests on about 38 flights, so a gap of 25 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late F9 3417 runs when it is late
F9 3417 often beats the schedule: 108 of 263 completed flights, 41%, arrived 15 minutes or more early. The 65 late arrivals split 20 under half an hour, 18 between 30 and 60 minutes, and 27 an hour or more.
- 15+ min early108 flights41.1%
- Within 15 min90 flights34.2%
- 15–29 min late20 flights7.6%
- 30–59 min late18 flights6.8%
- 1–2 hours late16 flights6.1%
- 2+ hours late11 flights4.2%
Scale runs 0% to 100%.
Share of 263 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 60 departures that left 15 minutes late or more, only 3 made it up before arrival. 8 flights left on time and still arrived late.
The worst days
Worst days for F9 3417
The latest arrival of the period was on 16 July 2026, 4 hours 11 minutes behind schedule; most of its delay minutes were filed as national airspace system delay. Three of the five worst days fell in July 2026.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 16 July 2026 | 4 hours 11 minutes | National Airspace System |
| 28 June 2026 | 4 hours 6 minutes | Late-arriving aircraft |
| 19 June 2026 | 4 hours 5 minutes | National Airspace System |
| 31 July 2026 | 3 hours 29 minutes | Late-arriving aircraft |
| 23 July 2026 | 2 hours 56 minutes | Late-arriving aircraft |
Delay causes
Why F9 3417 runs late
Late-arriving aircraft accounts for 55% of the 4,608 delay minutes carriers reported here, and the remaining four split what is left.
- 55%Late-arriving aircraft
- 37%National Airspace System
- 8%Carrier
55% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 4,608 reported delay minutes here, that single category outweighs weather by 55 to one. The split is drawn from 4,608 delay minutes reported on F9 3417.
Cancellations sit at 1.12% against a national 1.89%, which is ordinary. Diversions add another 0.37%.
Connections and routes
What a delay on this flight costs
10.3% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
The 1,069 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 same number turns up on one other city pair in the data, including IAH to LAS (1), but none flew often enough under F9 3417 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to SAT to LAS only.
One caution: this is a thin sample. 267 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.
What to do with this
Booking F9 3417
For a booking, read F9 3417 as 75.3% on time with 1.12% cancelled over 267 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- SAT to LAS, every carrier and departure
- LAS to SAT, the return direction
- San Antonio International (SAT) delay statistics
- Harry Reid International (LAS) delay statistics
- Frontier Airlines on-time record
- Every Frontier Airlines flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means Frontier Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
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.