Route on-time record
SAT to ELP: most on-time flights and the best time to fly
San Antonio (San Antonio International Airport) to El Paso (El Paso International Airport). 781 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 0.0% were cancelled. The most reliable flight number was Southwest 4157 at 7:30 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SAT → ELP
San Antonio to El Paso: 781 nonstop flights a year
On time (12 months)
80%
Cancelled
0.0%
avg delay 13 min
Best time to leave
Before 9 AM
97% on time vs 57% 6 to 9 PM
Most reliable airline
Southwest
80% 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 4157
7:30 AM → 8:05 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 95% 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: 97% on time; 6 to 9 PM: 57%).
- Short track record (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find Southwest 4157 fares Opens this date on Aviasales#2 · Southwest 2896
6:00 AM → 6:40 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
91%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 96% of the time (28 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 97% on time; 6 to 9 PM: 57%).
- Short track record (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 2896 fares Opens this date on Aviasales#3 · Southwest 3616
5:55 PM → 6:30 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-27.
86%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 94% of the time (16 flights, Jun 2025 to May 2026).
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 3616 fares Opens this date on Aviasales#4 · Southwest 2369
6:50 PM → 7:25 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-01.
80%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 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: 57% on time; Before 9 AM: 97%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2369 fares Opens this date on Aviasales#5 · Southwest 496
9:55 PM → 10:30 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
73%
chance on time
- On time (history)
- 65%
- Cancelled
- 0.0%
- Avg arrival delay
- 22 min
- Arrived on time 65% of the time (20 flights, Jun 2025 to May 2026).
- 90% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 496 fares Opens this date on Aviasales#6 · Southwest 683
7:15 PM → 7:50 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
57%
chance on time
- On time (history)
- 44%
- Cancelled
- 0.0%
- Avg arrival delay
- 40 min
- Arrived on time 44% of the time (39 flights, Jun 2025 to May 2026).
- Never cancelled in 39 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 57% on time; Before 9 AM: 97%).
- 74% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 39 flights
Find Southwest 683 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines80%
781 flights · 80% on time as flown · 0.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM97%
215 flights · avg delay 2 min
- 9 AM to noon95%
63 flights · avg delay 2 min
- Noon to 3 PM80%
173 flights · avg delay 15 min
- 3 to 6 PM83%
124 flights · avg delay 8 min
- 6 to 9 PM57%
190 flights · avg delay 31 min
Best day: Wednesday (87%). Worst: Thursday (76%).
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 aircraft74%
- Airline (crew, maintenance, boarding)20%
- Air traffic control and airport volume5%
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
SAT to ELP questions
- What time of day is best to fly SAT to ELP?
- Before 9 AM: 97% of flights arrived on time, against 57% 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 SAT to ELP?
- Southwest, with a season-adjusted 80% chance of operating and arriving on time over 781 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 SAT to ELP?
- June (73% on time); the best was February (93%), 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 SAT
- ELP to SAT (return)
- SAT to DFW 77%
- SAT to ATL 85%
- SAT to DEN 81%
- SAT to DAL 84%
- SAT to PHX 83%
- SAT to IAH 81%
- SAT to LAS 83%
- SAT to ORD 76%
- SAT to LAX 87%
- SAT to HOU 74%
- SAT to CLT 86%
- SAT to MCO 77%
Live status: FAA delays and ground stops