Route on-time record

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

Las Vegas (Harry Reid International Airport) to El Paso (El Paso International Airport). 1,303 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was Frontier 3850 at 6:17 PM.

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

LAS → ELP

Las Vegas to El Paso: 1,303 nonstop flights a year

On time (12 months)

76%

Cancelled

0.4%

avg delay 14 min

Best time to leave

9 AM to noon

91% on time vs 50% after 9 PM

Most reliable airline

Frontier

81% chance on time

Check LAS to ELP 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 · Frontier 3850
6:17 PM → 9:06 PM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-04.
88%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 90% of the time (168 flights, Jun 2025 to May 2026).
- Never cancelled in 168 scheduled flights.
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Moderate track record · 168 flights
Find Frontier 3850 fares Opens this date on Aviasales
#2 · Southwest 1817
7:35 AM → 10:15 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
87%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 91% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Short track record (33 flights), so its score leans on the airline's record at this hour.
Limited track record · 33 flights
Find Southwest 1817 fares Opens this date on Aviasales
#3 · Southwest 1859
7:45 AM → 10:25 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
87%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 87% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 1859 fares Opens this date on Aviasales
#4 · Southwest 2121
6:30 PM → 9:15 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-30.
79%
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).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2121 fares Opens this date on Aviasales
#5 · Frontier 3450
4:19 PM → 7:14 PM1h 53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
On time (history)
65%
Cancelled
0.0%
Avg arrival delay
40 min
- Arrived on time 65% of the time (81 flights, Jun 2025 to May 2026).
- Never cancelled in 81 scheduled flights.
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- 86% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 81 flights
Find Frontier 3450 fares Opens this date on Aviasales
#6 · Southwest 2988
8:55 PM → 11:35 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 360; its record covers all of them.
67%
chance on time
On time (history)
62%
Cancelled
3.3%
Avg arrival delay
18 min
- Arrived on time 62% of the time (58 flights, Jun 2025 to May 2026).
- Cancelled 3.3% of the time (2 of 60).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 58 flights
Find Southwest 2988 fares Opens this date on Aviasales
#7 · Southwest 3270
3:20 PM → 6:05 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 2886; its record covers all of them.
66%
chance on time
On time (history)
61%
Cancelled
0.0%
Avg arrival delay
18 min
- Arrived on time 61% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- 59% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 31 flights
Find Southwest 3270 fares Opens this date on Aviasales
#8 · Southwest 2795
5:20 PM → 8:05 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
64%
chance on time
On time (history)
25%
Cancelled
0.0%
Avg arrival delay
26 min
- Arrived on time 25% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- 78% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2795 fares Opens this date on Aviasales
#9 · Southwest 1386
2:55 PM → 5:40 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
62%
chance on time
On time (history)
53%
Cancelled
0.0%
Avg arrival delay
20 min
- Arrived on time 53% of the time (38 flights, Jun 2025 to May 2026).
- Never cancelled in 38 scheduled flights.
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (38 flights), so its score leans on the airline's record at this hour.
Limited track record · 38 flights
Find Southwest 1386 fares Opens this date on Aviasales
#10 · Southwest 3427
9:55 PM → 12:35 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
60%
chance on time
On time (history)
57%
Cancelled
0.0%
Avg arrival delay
19 min
- Arrived on time 57% of the time (28 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (After 9 PM: 50% on time; 9 AM to noon: 91%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- 52% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 28 flights
Find Southwest 3427 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Frontier Airlines81%
249 flights · 82% on time as flown · 0.1% cancel
Southwest Airlines74%
1,054 flights · 74% on time as flown · 0.5% cancel

On time by departure time

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

Before 9 AM91%
421 flights · avg delay 5 min
9 AM to noon91%
80 flights · avg delay 3 min
Noon to 3 PM66%
184 flights · avg delay 18 min
3 to 6 PM66%
269 flights · avg delay 25 min
6 to 9 PM78%
205 flights · avg delay 13 min
After 9 PM50%
144 flights · avg delay 27 min

Best day: Saturday (87%). Worst: Sunday (71%).

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 aircraft62%
Airline (crew, maintenance, boarding)28%
Air traffic control and airport volume8%
Severe weather2%

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

LAS to ELP questions

What time of day is best to fly LAS to ELP?: 9 AM to noon: 91% of flights arrived on time, against 50% for departures after 9 PM.
Which airline is most on time from LAS to ELP?: Frontier, with a season-adjusted 81% chance of operating and arriving on time over 249 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 LAS to ELP?: July (66% on time); the best was February (85%), 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.

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