Route on-time record

OKC to LAS: most on-time flights and the best time to fly

Oklahoma City (OKC Will Rogers World Airport) to Las Vegas (Harry Reid International Airport). 1,217 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 0.6% were cancelled. The most reliable flight number was Southwest 3619 at 6:50 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

OKC → LAS

Oklahoma City to Las Vegas: 1,217 nonstop flights a year

On time (12 months)

81%

Cancelled

0.6%

avg delay 12 min

Best time to leave

Before 9 AM

95% on time vs 67% 6 to 9 PM

Most reliable airline

Frontier

81% chance on time

Check OKC to LAS fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · Southwest 3619
6:50 AM → 7:30 AM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 2960; its record covers all of them.
94%
chance on time
On time (history)
98%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 98% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 67%).
- Short track record (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find Southwest 3619 fares Opens this date on Aviasales
#2 · Southwest 4119
6:05 AM → 6:55 AM2h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
91%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 94% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 67%).
- Short track record (33 flights), so its score leans on the airline's record at this hour.
Limited track record · 33 flights
Find Southwest 4119 fares Opens this date on Aviasales
#3 · Southwest 2658
12:45 PM → 1:35 PM2h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
5 min
- Arrived on time 90% of the time (20 flights, Jun 2025 to May 2026).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 2658 fares Opens this date on Aviasales
#4 · Southwest 2884
6:50 PM → 7:45 PM2h 55m nonstop
Local times, typical schedule. Last flown 2026-04-01.
83%
chance on time
On time (history)
88%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 67% on time; Before 9 AM: 95%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2884 fares Opens this date on Aviasales
#5 · Southwest 1765
1:15 PM → 2:00 PM2h 45m nonstop
Local times, typical schedule. Last flown 2026-05-30.
83%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1765 fares Opens this date on Aviasales
#6 · Frontier 1991
11:34 AM → 12:33 PM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-18.
82%
chance on time
On time (history)
82%
Cancelled
0.9%
Avg arrival delay
12 min
- Arrived on time 82% of the time (113 flights, Jun 2025 to May 2026).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- 53% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 113 flights
Find Frontier 1991 fares Opens this date on Aviasales
#7 · Frontier 3891
8:04 PM → 8:57 PM2h 53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
On time (history)
84%
Cancelled
0.0%
Avg arrival delay
11 min
- Arrived on time 84% of the time (19 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 67% on time; Before 9 AM: 95%).
- 85% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Frontier 3891 fares Opens this date on Aviasales
#8 · Southwest 1381
9:00 PM → 9:50 PM2h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
71%
chance on time
On time (history)
64%
Cancelled
0.0%
Avg arrival delay
19 min
- Arrived on time 64% of the time (25 flights, Jun 2025 to May 2026).
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find Southwest 1381 fares Opens this date on Aviasales
#9 · Southwest 712
2:10 PM → 2:50 PM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-27.
71%
chance on time
On time (history)
50%
Cancelled
0.0%
Avg arrival delay
19 min
- Arrived on time 50% of the time (16 flights, Jun 2025 to May 2026).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- 65% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 712 fares Opens this date on Aviasales
#10 · Southwest 3620
8:20 PM → 9:00 PM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
On time (history)
59%
Cancelled
0.0%
Avg arrival delay
24 min
- Arrived on time 59% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 67% on time; Before 9 AM: 95%).
- 76% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 54 flights
Find Southwest 3620 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Frontier Airlines81%
133 flights · 83% on time as flown · 0.7% cancel
Southwest Airlines81%
1,061 flights · 81% on time as flown · 0.6% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM95%
364 flights · avg delay 3 min
Noon to 3 PM79%
329 flights · avg delay 13 min
3 to 6 PM77%
173 flights · avg delay 17 min
6 to 9 PM67%
289 flights · avg delay 20 min
After 9 PM71%
38 flights · avg delay 17 min

Best day: Saturday (86%). Worst: Thursday (77%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Late-arriving aircraft56%
Airline (crew, maintenance, boarding)23%
Air traffic control and airport volume17%
Severe weather3%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

OKC to LAS questions

What time of day is best to fly OKC to LAS?: Before 9 AM: 95% of flights arrived on time, against 67% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from OKC to LAS?: Frontier, with a season-adjusted 81% chance of operating and arriving on time over 133 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on OKC to LAS?: July (69% on time); the best was December (90%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from OKC

Live status: FAA delays and ground stops

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Ask ATIS