Route
SAT → EWR
San Antonio International Airport Newark Liberty International Airport
1,569 miles
Return route EWR → SAT →
How punctual is this route?
- On-time arrivals
- 85.8%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 596
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 68%
- Airline (crew, maintenance, cleaning) 19%
- Late-arriving aircraft 10%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.4% | 34 |
| October 2025 | 81.8% | 55 |
| November 2025 | 82.1% | 56 |
| December 2025 | 82.8% | 58 |
| January 2026 | 91.2% | 35 |
| February 2026 | 92.1% | 40 |
| March 2026 | 85.2% | 54 |
| April 2026 | 98.1% | 52 |
| May 2026 | 96.2% | 54 |
| June 2026 | 80.8% | 52 |
| July 2026 | 73.1% | 54 |
| August 2026 | 86.0% | 52 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 596 | 85.8% | 1.2% | 82 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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