Route
EWR → SLC
Newark Liberty International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,338
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 37%
- Late-arriving aircraft 33%
- Air traffic control & airport 26%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.1% | 90 |
| October 2025 | 69.2% | 92 |
| November 2025 | 64.4% | 88 |
| December 2025 | 66.3% | 105 |
| January 2026 | 77.2% | 142 |
| February 2026 | 79.1% | 139 |
| March 2026 | 72.1% | 167 |
| April 2026 | 87.6% | 115 |
| May 2026 | 90.1% | 102 |
| June 2026 | 71.1% | 114 |
| July 2026 | 84.1% | 91 |
| August 2026 | 71.4% | 93 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 723 | 76.7% | 2.4% | 94 min |
| United Airlines | 615 | 77.0% | 2.1% | 67 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1009
21% late · 365 flights
-
DL2033
25% late · 208 flights
-
DL1135
29% late · 107 flights
-
UA1962
37% late · 72 flights
-
UA2321
23% late · 68 flights
-
UA2630
4% late · 47 flights
-
UA2071
9% late · 37 flights
-
UA2693
28% late · 37 flights
-
UA1435
14% late · 35 flights
-
UA1986
33% late · 33 flights
-
UA2166
16% late · 31 flights
-
UA507
22% late · 28 flights
-
UA1662
0% late · 26 flights
-
UA1186
38% late · 24 flights
-
UA2605
8% late · 24 flights
-
UA601
13% late · 24 flights
-
UA708
29% late · 24 flights
-
UA1353
45% late · 21 flights
-
UA440
32% late · 21 flights
-
UA650
48% late · 21 flights
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