Route
SFO → PHL
San Francisco International Airport Philadelphia International Airport
Alerts at SFO and PHL
How punctual is this route?
- On-time arrivals
- 85.2%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,082
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 12%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.6% | 166 |
| October 2025 | 86.1% | 180 |
| November 2025 | 89.1% | 147 |
| December 2025 | 88.1% | 160 |
| January 2026 | 85.8% | 124 |
| February 2026 | 94.6% | 117 |
| March 2026 | 91.8% | 147 |
| April 2026 | 91.4% | 162 |
| May 2026 | 80.3% | 210 |
| June 2026 | 85.5% | 230 |
| July 2026 | 74.1% | 234 |
| August 2026 | 78.3% | 205 |
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 |
|---|---|---|---|---|
| American Airlines | 1,333 | 85.4% | 1.8% | 113 min |
| United Airlines | 749 | 84.8% | 0.5% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2854
16% late · 170 flights
-
AA2722
27% late · 156 flights
-
AA2161
5% late · 155 flights
-
AA2506
4% late · 105 flights
-
AA1732
23% late · 104 flights
-
AA1826
9% late · 98 flights
-
AA2045
24% late · 76 flights
-
AA2941
25% late · 73 flights
-
AA3166
11% late · 62 flights
-
UA2619
34% late · 58 flights
-
UA706
7% late · 55 flights
-
AA2553
4% late · 50 flights
-
UA2431
9% late · 47 flights
-
AA2663
10% late · 44 flights
-
AA2793
16% late · 44 flights
-
AA565
0% late · 44 flights
-
AA2635
18% late · 41 flights
-
UA2665
8% late · 37 flights
-
UA538
3% late · 37 flights
-
AA2676
9% late · 36 flights
-
UA520
17% late · 36 flights
-
AA2035
15% late · 33 flights
-
AA2695
33% late · 32 flights
-
UA2363
0% late · 32 flights
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