Flight profile · Frontier Airlines
F94158
San Francisco (SFO) to Las Vegas (LAS) · scheduled 5:45 AM – 7:26 AM
How F94158 performs
654 operations, January 2024 – July 2026.
F94158 arrived on time 64.3% of the time, against 73.3% for all SFO → LAS flights, so this departure is 9.0 percentage points worse than the route as a whole. Against Frontier Airlines’ own flights on this route it is 1.8 points better.
Source: US DOT Bureau of Transportation Statistics · 654 operations, January 2024 – July 2026 · If F94158 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
Where F94158 is right now
A live reading, only if you ask for it. It is not part of the reliability record above.
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Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| F94158 | 64.3% | 1.38% | -3 min | 12.9% | 654 |
| Frontier Airlines on SFO → LAS | 62.5% | 1.57% | 1 min | 16.4% | 3,059 |
| All SFO → LAS flights | 73.3% | 1.01% | -3 min | 9.6% | 18,263 |
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026
Why F94158 runs late
Where US DOT attributed the delay minutes on this flight.
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding and fueling, all within the carrier’s control
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for F94158 on SFO → LAS. Only delays of 15 minutes or more are attributed.
Source: US DOT Bureau of Transportation Statistics · Data covering January 2024 – July 2026
Does a late aircraft delay this flight?
How often the plane that flies F94158 comes in late, and what that does to the departure.
When the aircraft came in 15 or more minutes late, F94158 pushed back an average of 50 minutes late; when it came in on time or early, an average of 2 minutes early.
Each departure is matched to the flight the same aircraft flew into SFO just before it, using the tail number in the DOT file, 634 of 645 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late | Left 15+ late after a late inbound | Left 15+ late after an on-time inbound |
|---|---|---|---|
| F94158 | 46% | 67% | 7% |
| Network, same turn | 17% | 68% | 9% |
The schedule leaves a normal turn: enough time to clean and board if the aircraft is on time, little to spare if it is not.
The network row is every flight with a scheduled turn of 60 to 89 minutes. How often F94158’s aircraft landed 15 or more minutes late is higher than the network’s and, once the aircraft was late, how often F94158 left 15 or more minutes late is about the same as the network’s.
More: Which Flight Numbers Pay for a Late Aircraft lists the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering January 2024 – July 2026
From pushback to gate
When it leaves SFO late, does that still matter by the time it reaches LAS?
F94158 pushes back an average of 25.8 minutes late and reaches the gate at LAS an average of 21.6 minutes late. The 4.2 minutes between those two figures are slack the published schedule already carries, which is why a late pushback on this flight does not reliably become a late arrival. It spends 19.9 minutes on the taxiways at SFO, 5.1 minutes longer than a typical SFO departure in the same hour.
On arrival at LAS, F94158 spends 11.2 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 3.5 minutes longer than a typical LAS arrival (7.7 min).
Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached LAS. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 10,009 departures from SFO scheduled in the clock hour F94158 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at LAS (569,643 flights), not just F94158’s own. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026
The hour it leaves SFO
Part of any flight’s record belongs to the clock rather than to the flight. F94158 has one departure time, so this is what that time is worth.
On-time arrival rate. 10,009 departures from SFO are scheduled in the 5 AM–6 AM hour over the period, against 435,779 across the whole day.
F94158 is scheduled out of SFO at 5:45 AM, in the 5 AM–6 AM bank. Departures from SFO in that hour arrive on time 95.1% of the time against 78.7% across the airport’s whole day — the slot alone is worth 16.4 points better before anything about this particular flight is considered.
The two airport figures cover every departure from SFO to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026 · Hours below 120 departures are not scored.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
74 min late
against a median of 3 min early
F94158 has an average that understates its risk: a typical arrival is 3 min early, but the worst tenth are 77 minutes worse than that. If the trip has something unmissable at the end of it, the median is the wrong number to plan against.
Percentiles over 654 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering January 2024 – July 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| UA1995 | United Airlines | 83.1% | 8 min early | 781 |
| UA611 | United Airlines | 78.9% | 3 min early | 754 |
| F94158 this flight | Frontier Airlines | 64.3% | 3 min early | 654 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. F94158 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 654 records of F94158 operating SFO → LAS, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
Analysis last recomputed