Route on-time record
TUL to LAS: most on-time flights and the best time to fly
Tulsa (Tulsa International Airport) to Las Vegas (Harry Reid International Airport). 746 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was Southwest 4580 at 6:30 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
TUL → LAS
Tulsa to Las Vegas: 746 nonstop flights a year
On time (12 months)
83%
Cancelled
0.7%
avg delay 11 min
Best time to leave
Before 9 AM
93% on time vs 69% 6 to 9 PM
Most reliable airline
Southwest
83% chance on time
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 4580
6:30 AM → 7:35 AM3h 05m nonstop
Local times, typical schedule. Last flown 2026-04-06.
93%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 69%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 4580 fares Opens this date on Aviasales#2 · Southwest 591
6:15 AM → 7:10 AM2h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 96% of the time (47 flights, Jun 2025 to May 2026).
- Never cancelled in 47 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 69%).
- Short track record (47 flights), so its score leans on the airline's record at this hour.
Limited track record · 47 flights
Find Southwest 591 fares Opens this date on Aviasales#3 · Southwest 199
6:40 PM → 7:40 PM3h 00m nonstop
Local times, typical schedule. Last flown 2026-04-01.
86%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 69% on time; Before 9 AM: 93%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 199 fares Opens this date on Aviasales#4 · Southwest 3719
5:55 PM → 6:50 PM2h 55m nonstop
Local times, typical schedule. Last flown 2026-05-30.
84%
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).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3719 fares Opens this date on Aviasales#5 · Southwest 2565
8:50 PM → 9:50 PM3h 00m nonstop
Local times, typical schedule. Last flown 2026-04-06.
79%
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).
- Leaves in this route's least on-time window (6 to 9 PM: 69% on time; Before 9 AM: 93%).
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 2565 fares Opens this date on Aviasales#6 · Allegiant 83
1:26 PM → 2:28 PM3h 02m nonstop
Local times, typical schedule. Last flown 2026-05-18.
76%
chance on time
- On time (history)
- 76%
- Cancelled
- 5.6%
- Avg arrival delay
- 24 min
- Arrived on time 76% of the time (17 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 (17 flights), so its score leans on the airline's record at this hour.
Limited track record · 17 flights
Find Allegiant 83 fares Opens this date on Aviasales#7 · Southwest 384
8:00 PM → 9:00 PM3h 00m nonstop
Local times, typical schedule. Last flown 2026-05-29.
65%
chance on time
- On time (history)
- 43%
- Cancelled
- 0.0%
- Avg arrival delay
- 27 min
- Arrived on time 43% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 69% on time; Before 9 AM: 93%).
- 71% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 384 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines83%
637 flights · 84% on time as flown · 0.5% cancel
- Allegiant Air78%
109 flights · 77% on time as flown · 1.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
324 flights · avg delay 4 min
- Noon to 3 PM82%
101 flights · avg delay 16 min
- 3 to 6 PM76%
89 flights · avg delay 10 min
- 6 to 9 PM69%
191 flights · avg delay 19 min
Best day: Wednesday (91%). Worst: Friday (80%).
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 aircraft52%
- Airline (crew, maintenance, boarding)22%
- Air traffic control and airport volume20%
- Severe weather6%
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
TUL to LAS questions
- What time of day is best to fly TUL to LAS?
- Before 9 AM: 93% of flights arrived on time, against 69% 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 TUL to LAS?
- Southwest, with a season-adjusted 83% chance of operating and arriving on time over 637 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 TUL to LAS?
- August (76% on time); the best was November (94%), 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 TUL
- LAS to TUL (return)
- TUL to DFW 78%
- TUL to DEN 79%
- TUL to ORD 76%
- TUL to ATL 86%
- TUL to PHX 82%
- TUL to IAH 84%
- TUL to DAL 86%
- TUL to CLT 85%
- TUL to HOU 86%
- TUL to LGA 79%
- TUL to STL 89%
- TUL to SLC 92%
Live status: FAA delays and ground stops