Delta vs Envoy: On-Time Performance Compared

Last 12 months · Aug 2025 – Jul 2026

Data through July 2026 · Last updated October 18, 2026

Over the last 12 months 81.5% of Delta flights arrived on time, compared with 80.9% for Envoy.

Delta cancelled fewer flights (1.7% vs 2.2%), and late flights averaged 71 minutes late on Delta vs 69 on Envoy.

On the 18 routes both airlines fly regularly, Delta had the better on-time record on 5 and Envoy on 13.

Delta vs Envoy: key numbers

Last 12 months, all flights each airline operated.

DeltaEnvoy

On-time arrivals81.5%80.9%

On-time departures81.9%82.2%

Cancelled1.7%2.2%

Diverted0.3%0.3%

On-time arrival % each month, last 24 months.

DeltaEnvoy

70%75%80%85%90%95%

Aug ’24Nov ’24Feb ’25May ’25Aug ’25Nov ’25Feb ’26May ’26

Share of each airline’s reported delay minutes by cause, last 12 months.

DeltaEnvoy

Airline (carrier)44.7%19.6%

Weather4.1%12.9%

Air traffic system (NAS)21.6%23.1%

Security0.1%0.1%

Late-arriving aircraft29.5%44.3%

18 routes where each airline had at least 100 completed flights in the last 12 months. Better on-time rate in bold.

Route	Delta on time	Envoy on time	Delta flights	Envoy flights
ATL → DCA	67.8%	69.4%	3,842	264
DCA → ATL	80.7%	81.5%	3,842	264
ATL → MIA	71.1%	74.6%	3,306	231
MIA → ATL	77.1%	78.7%	3,308	229
ATL → ORD	69.2%	71.3%	2,630	363
ORD → ATL	80.5%	77.6%	2,628	365
ATL → CLT	80.4%	73.8%	2,589	174
CLT → ATL	86.7%	84.5%	2,589	174
PHX → SEA	87.7%	88.3%	1,765	755
SEA → PHX	81.6%	85.6%	1,766	754
MSP → ORD	68.4%	75.4%	1,422	1,063
ORD → MSP	67.6%	76.3%	1,421	1,062
DTW → ORD	71.7%	79.5%	1,210	902
ORD → DTW	78.3%	78.5%	1,210	902
DCA → MSP	78.7%	76.6%	1,698	162
MSP → DCA	76.0%	67.1%	1,698	161
BOS → ORD	65.8%	77.1%	970	442
ORD → BOS	69.3%	82.7%	970	441