Flight number record

F9 1183

Frontier Airlines · Las Vegas to Los Angeles

Route: LAS → LAX
Departs: 18:31
Flights: 283
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s F9 1183, check with Frontier Airlines.

F9 1183 lands a B+, level with the national rate of 77.6%. Roughly one flight in five arrives 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 283 flights, with a median arrival 11 minutes early.

On time

78.1%

Arrivals under 15 minutes late, of 283 completed flights

Avg delay

65 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.81%

1 hour+ late

7.1%

National rate is 8.1%

These figures cover 283 flights between July 2025 and June 2026. The median arrival is 11 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.

Schedule

When F9 1183 flies

F9 1183 flies LAS to LAX without a single fixed slot. Its most common scheduled departure was 18:31, used on 142 of 283 flights. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 18:31142 flights50.2%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 18:31 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and F9 1183 runs 10 points better at 78.1%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.

Against the route

F9 1183 next to LAS to LAX

Every carrier on LAS to LAX combined arrived on time 78.8% of the time across 8,325 flights, so F9 1183 is about level with it. Frontier flew 593 flights on the same city pair under all its flight numbers, including this one, and those ran 80.6% on time. Across its whole network Frontier Airlines managed 73.2%, which this flight beats by 5 points.

F9 1183 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
F9 1183thin sample	283	78.1%	65 min	0.00%	B+
All Frontier Airlines on LAS–LAX	593	80.6%	57 min	0.17%	B+
All carriers on LAS–LAX	8,325	78.8%	60 min	0.70%	B+
Frontier Airlines, whole network	205,332	73.2%	84 min	1.85%	C

Across the year

F9 1183 quarter by quarter

Quarter by quarter F9 1183 held fairly steady: 77.2% in Jul–Sep 2025, 81.5% in Oct–Dec 2025, 73.6% in Jan–Mar 2026 and 78.3% in Apr–Jun 2026. A spread of 8 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

Jul–Sep 202592 flights77.2%
Oct–Dec 202592 flights81.5%
Jan–Mar 202653 flights73.6%
Apr–Jun 202646 flights78.3%

Scale runs 65% to 85%. Rows with fewer than 30 flights show a dash.

By weekday, F9 1183 did best on Wednesday at 94.6% on time and worst on Sunday at 63.6%. Each day rests on about 40 flights, so a gap of 31 points is worth noticing but could still narrow in another year.

Delay causes

Why F9 1183 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 50% of the 4,028 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
50%
Carrier
32%
National Airspace System
16%
Extreme weather
2%

50% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 4,028 reported delay minutes here, that single category outweighs weather by 21 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 4,028 delay minutes reported on F9 1183.

Cancellations are rare at 0.00%, below the national 1.81% and low enough to earn the plus on the grade. Almost no flights are called off; the risk here is arriving late, not not arriving.

Connections and routes

What a delay on this flight costs

7.1% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.

Every one of the 283 flights under F9 1183 in the data flew LAS to LAX. The number was not reused on any other city pair, which makes this a clean record of one route.

One caution: this is a thin sample. 283 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 1183

For a booking, read F9 1183 as 78.1% on time with 0.00% cancelled over 283 flights. Those are rates from the past twelve months, not a forecast for any particular day.

Where to go next

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, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures