Route
PHX → SFO
Phoenix Sky Harbor International Airport San Francisco International Airport
Alerts at PHX and SFO
How punctual is this route?
- On-time arrivals
- 63.6%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,728
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 43%
- Late-arriving aircraft 35%
- Airline (crew, maintenance, cleaning) 20%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.9% | 342 |
| October 2025 | 71.0% | 366 |
| November 2025 | 75.9% | 390 |
| December 2025 | 74.2% | 425 |
| January 2026 | 78.4% | 377 |
| February 2026 | 80.8% | 360 |
| March 2026 | 83.2% | 454 |
| April 2026 | 54.1% | 432 |
| May 2026 | 45.1% | 418 |
| June 2026 | 37.3% | 383 |
| July 2026 | 43.3% | 404 |
| August 2026 | 45.4% | 377 |
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 | 1,489 | 67.7% | 0.5% | 62 min |
| American Airlines | 1,312 | 63.2% | 0.9% | 80 min |
| Southwest Airlines | 1,076 | 57.7% | 0.4% | 59 min |
| SkyWest Airlines | 572 | 63.7% | 0.2% | 70 min |
| Frontier Airlines | 278 | 65.8% | 1.1% | 66 min |
| Envoy Air | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2619
36% late · 225 flights
-
F91191
40% late · 202 flights
-
AA2423
23% late · 199 flights
-
UA2209
44% late · 159 flights
-
OO6276
14% late · 153 flights
-
AA2234
24% late · 149 flights
-
AA686
55% late · 148 flights
-
AA2421
31% late · 117 flights
-
AA2860
54% late · 108 flights
-
AA2846
23% late · 107 flights
-
UA564
26% late · 106 flights
-
UA1427
50% late · 103 flights
-
AA2427
27% late · 90 flights
-
UA1678
0% late · 78 flights
-
UA1401
42% late · 77 flights
-
AA3199
71% late · 76 flights
-
OO4911
63% late · 76 flights
-
AA1613
47% late · 75 flights
-
F93549
18% late · 74 flights
-
OO5461
50% late · 65 flights
-
WN4124
41% late · 64 flights
-
WN3026
59% late · 60 flights
-
UA499
12% late · 56 flights
-
UA2449
64% late · 55 flights
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